Weather by Month in Bath
Monthly Climate Comparison
The biggest temperature swing occurs between October and November, as typical highs shift from 14.4°C / 57.9°F to 10.3°C / 50.5°F (about 4.1°C / 7.3°F).
Jan
COLD
Feb
COOL
Mar
COOL
Apr
COOL
May
MILD
Jun
MILD
Jul
MILD
Aug
MILD
Sep
MILD
Oct
COOL
Nov
COOL
Dec
COLD
| Month | Low Temperature | High Temperature | Category |
|---|---|---|---|
| January | 2.4°C | 7.3°C | COLD |
| February | 2.4°C | 8.1°C | COOL |
| March | 3.2°C | 10°C | COOL |
| April | 4.7°C | 12.6°C | COOL |
| May | 7.9°C | 15.6°C | MILD |
| June | 10.8°C | 18.5°C | MILD |
| July | 12.8°C | 20.4°C | MILD |
| August | 12.8°C | 20.1°C | MILD |
| September | 10.8°C | 17.8°C | MILD |
| October | 8.5°C | 14.4°C | COOL |
| November | 5.2°C | 10.3°C | COOL |
| December | 3.1°C | 7.8°C | COLD |
July has the warmest typical feels-like highs (19.5°C / 67.1°F), while January is coolest (3.4°C / 38.2°F).
Jan
COLD
Feb
COLD
Mar
COLD
Apr
COOL
May
COOL
Jun
MILD
Jul
MILD
Aug
MILD
Sep
MILD
Oct
COOL
Nov
COLD
Dec
COLD
| Month | Low Feels Like | High Feels Like | Category |
|---|---|---|---|
| January | -1.8°C | 3.4°C | COLD |
| February | -1.7°C | 4°C | COLD |
| March | -0.6°C | 6.2°C | COLD |
| April | 1.3°C | 9.5°C | COOL |
| May | 5.2°C | 13.5°C | COOL |
| June | 8.9°C | 17.2°C | MILD |
| July | 11.5°C | 19.5°C | MILD |
| August | 11.7°C | 19°C | MILD |
| September | 9.1°C | 16.1°C | MILD |
| October | 5.9°C | 11.9°C | COOL |
| November | 1.8°C | 7.2°C | COLD |
| December | -0.8°C | 4.2°C | COLD |
October is wettest at 79.4 mm / 3.13 inches, while April is driest at 57.6 mm / 2.27 inches.
Jan
MODERATE
Feb
LIGHT
Mar
MODERATE
Apr
LIGHT
May
MODERATE
Jun
LIGHT
Jul
MODERATE
Aug
MODERATE
Sep
MODERATE
Oct
MODERATE
Nov
MODERATE
Dec
MODERATE
| Month | Baseline | Rainfall | Category |
|---|---|---|---|
| January | 48.8 mm | 68.8 mm | MODERATE |
| February | 48.8 mm | 60 mm | LIGHT |
| March | 48.8 mm | 60.3 mm | MODERATE |
| April | 48.8 mm | 57.6 mm | LIGHT |
| May | 48.8 mm | 68.7 mm | MODERATE |
| June | 48.8 mm | 59.4 mm | LIGHT |
| July | 48.8 mm | 65.4 mm | MODERATE |
| August | 48.8 mm | 68 mm | MODERATE |
| September | 48.8 mm | 61.2 mm | MODERATE |
| October | 48.8 mm | 79.4 mm | MODERATE |
| November | 48.8 mm | 75.2 mm | MODERATE |
| December | 48.8 mm | 78.9 mm | MODERATE |
June has the strongest peak UV (around index 7.1).
Jan
LOW-MOD
Feb
LOW-MOD
Mar
MODERATE
Apr
MODERATE
May
HIGH
Jun
HIGH
Jul
HIGH
Aug
HIGH
Sep
MODERATE
Oct
MODERATE
Nov
LOW-MOD
Dec
LOW-MOD
| Month | Baseline | UV Index | Category |
|---|---|---|---|
| January | 0 | 1.7 | LOW-MOD |
| February | 0 | 3 | LOW-MOD |
| March | 0 | 4.5 | MODERATE |
| April | 0 | 6 | MODERATE |
| May | 0 | 6.9 | HIGH |
| June | 0 | 7.1 | HIGH |
| July | 0 | 7 | HIGH |
| August | 0 | 6.4 | HIGH |
| September | 0 | 5.3 | MODERATE |
| October | 0 | 3.6 | MODERATE |
| November | 0 | 2.1 | LOW-MOD |
| December | 0 | 1.2 | LOW-MOD |
Daylight ranges from 7.9h in December to 16.5h in June.
Jan
SHORT
Feb
SHORT
Mar
BALANCED
Apr
LONG
May
LONG
Jun
LONG
Jul
LONG
Aug
LONG
Sep
BALANCED
Oct
BALANCED
Nov
SHORT
Dec
SHORT
| Month | Baseline | Daylight Hours | Category |
|---|---|---|---|
| January | 0h | 8.5h | SHORT |
| February | 0h | 10h | SHORT |
| March | 0h | 11.9h | BALANCED |
| April | 0h | 13.9h | LONG |
| May | 0h | 15.6h | LONG |
| June | 0h | 16.5h | LONG |
| July | 0h | 16.1h | LONG |
| August | 0h | 14.5h | LONG |
| September | 0h | 12.6h | BALANCED |
| October | 0h | 10.7h | BALANCED |
| November | 0h | 8.9h | SHORT |
| December | 0h | 7.9h | SHORT |
December is most humid (88.6%), while July is driest (76.9%).
Jan
MUGGY
Feb
MUGGY
Mar
MUGGY
Apr
MUGGY
May
MUGGY
Jun
MUGGY
Jul
MUGGY
Aug
MUGGY
Sep
MUGGY
Oct
MUGGY
Nov
MUGGY
Dec
MUGGY
| Month | Baseline | Humidity (avg) | Category |
|---|---|---|---|
| January | 72.8% | 87.5% | MUGGY |
| February | 72.8% | 84.5% | MUGGY |
| March | 72.8% | 81.7% | MUGGY |
| April | 72.8% | 78.3% | MUGGY |
| May | 72.8% | 77.6% | MUGGY |
| June | 72.8% | 77% | MUGGY |
| July | 72.8% | 76.9% | MUGGY |
| August | 72.8% | 78.8% | MUGGY |
| September | 72.8% | 80.8% | MUGGY |
| October | 72.8% | 84.3% | MUGGY |
| November | 72.8% | 87.9% | MUGGY |
| December | 72.8% | 88.6% | MUGGY |
February has the strongest typical average wind (17.7 km/h / 11.0 mph), while August is calmest (13.5 km/h / 8.4 mph).
Jan
CALM
Feb
CALM
Mar
CALM
Apr
CALM
May
CALM
Jun
CALM
Jul
CALM
Aug
CALM
Sep
CALM
Oct
CALM
Nov
CALM
Dec
CALM
| Month | Baseline | Wind (avg) | Category |
|---|---|---|---|
| January | 11.8 km/h | 17.5 km/h | CALM |
| February | 11.8 km/h | 17.7 km/h | CALM |
| March | 11.8 km/h | 16.4 km/h | CALM |
| April | 11.8 km/h | 14.7 km/h | CALM |
| May | 11.8 km/h | 14.5 km/h | CALM |
| June | 11.8 km/h | 13.8 km/h | CALM |
| July | 11.8 km/h | 13.5 km/h | CALM |
| August | 11.8 km/h | 13.5 km/h | CALM |
| September | 11.8 km/h | 14 km/h | CALM |
| October | 11.8 km/h | 15.9 km/h | CALM |
| November | 11.8 km/h | 15.8 km/h | CALM |
| December | 11.8 km/h | 17 km/h | CALM |
February is windiest by P95 gust signal (72.7 km/h / 45.2 mph).
Jan
VERY WINDY
Feb
VERY WINDY
Mar
VERY WINDY
Apr
VERY WINDY
May
VERY WINDY
Jun
VERY WINDY
Jul
VERY WINDY
Aug
VERY WINDY
Sep
VERY WINDY
Oct
VERY WINDY
Nov
VERY WINDY
Dec
VERY WINDY
| Month | Baseline | Wind (gusts) | Category |
|---|---|---|---|
| January | 0 km/h | 72 km/h | VERY WINDY |
| February | 0 km/h | 72.7 km/h | VERY WINDY |
| March | 0 km/h | 68 km/h | VERY WINDY |
| April | 0 km/h | 61.2 km/h | VERY WINDY |
| May | 0 km/h | 59.8 km/h | VERY WINDY |
| June | 0 km/h | 55.4 km/h | VERY WINDY |
| July | 0 km/h | 53.6 km/h | VERY WINDY |
| August | 0 km/h | 52.9 km/h | VERY WINDY |
| September | 0 km/h | 57.6 km/h | VERY WINDY |
| October | 0 km/h | 64.1 km/h | VERY WINDY |
| November | 0 km/h | 66.6 km/h | VERY WINDY |
| December | 0 km/h | 72.4 km/h | VERY WINDY |
July has the most rain days (~15.7), while September has the fewest (~13.2). Rain days count the average number of days in a month with measurable rain (about 0.1 mm or more).
Jan
VERY FREQUENT
Feb
FREQUENT
Mar
FREQUENT
Apr
FREQUENT
May
VERY FREQUENT
Jun
FREQUENT
Jul
VERY FREQUENT
Aug
VERY FREQUENT
Sep
FREQUENT
Oct
VERY FREQUENT
Nov
VERY FREQUENT
Dec
VERY FREQUENT
| Month | Baseline | Rain Days | Category |
|---|---|---|---|
| January | 12.2 days | 15.2 days | VERY FREQUENT |
| February | 12.2 days | 13.9 days | FREQUENT |
| March | 12.2 days | 14.6 days | FREQUENT |
| April | 12.2 days | 14.9 days | FREQUENT |
| May | 12.2 days | 15.6 days | VERY FREQUENT |
| June | 12.2 days | 14.4 days | FREQUENT |
| July | 12.2 days | 15.7 days | VERY FREQUENT |
| August | 12.2 days | 15.4 days | VERY FREQUENT |
| September | 12.2 days | 13.2 days | FREQUENT |
| October | 12.2 days | 15.1 days | VERY FREQUENT |
| November | 12.2 days | 15.4 days | VERY FREQUENT |
| December | 12.2 days | 15.1 days | VERY FREQUENT |
December has the most heavy rain/washout risk days (~6). Heavy rain days are the average number of days likely to bring stronger downpours that can disrupt outdoor plans.
Jan
FREQUENT
Feb
FREQUENT
Mar
FREQUENT
Apr
FREQUENT
May
FREQUENT
Jun
FREQUENT
Jul
FREQUENT
Aug
FREQUENT
Sep
FREQUENT
Oct
FREQUENT
Nov
FREQUENT
Dec
PERSISTENT
| Month | Baseline | Heavy Rain Days | Category |
|---|---|---|---|
| January | 0 days | 5 days | FREQUENT |
| February | 0 days | 5 days | FREQUENT |
| March | 0 days | 4 days | FREQUENT |
| April | 0 days | 4 days | FREQUENT |
| May | 0 days | 5 days | FREQUENT |
| June | 0 days | 4 days | FREQUENT |
| July | 0 days | 4 days | FREQUENT |
| August | 0 days | 5 days | FREQUENT |
| September | 0 days | 4 days | FREQUENT |
| October | 0 days | 5 days | FREQUENT |
| November | 0 days | 5 days | FREQUENT |
| December | 0 days | 6 days | PERSISTENT |
January has the highest heat-risk day count (~0 days). Heat days are the average number of days that exceed our location-specific heat-risk threshold.
Jan
LOW
Feb
LOW
Mar
LOW
Apr
LOW
May
LOW
Jun
LOW
Jul
LOW
Aug
LOW
Sep
LOW
Oct
LOW
Nov
LOW
Dec
LOW
| Month | Baseline | Heat Days | Category |
|---|---|---|---|
| January | 0 days | 0 days | LOW |
| February | 0 days | 0 days | LOW |
| March | 0 days | 0 days | LOW |
| April | 0 days | 0 days | LOW |
| May | 0 days | 0 days | LOW |
| June | 0 days | 0 days | LOW |
| July | 0 days | 0 days | LOW |
| August | 0 days | 0 days | LOW |
| September | 0 days | 0 days | LOW |
| October | 0 days | 0 days | LOW |
| November | 0 days | 0 days | LOW |
| December | 0 days | 0 days | LOW |
Rain & Sunshine Patterns
Driest Months
#1 April
Best for: outdoor activities & sightseeing
#2 June
Best for: outdoor activities & sightseeing
#3 February
Best for: outdoor activities & sightseeing
Wettest Months
#1 October
Expect: possible showers, pack waterproofs
#2 December
Expect: possible showers, pack waterproofs
#3 November
Expect: possible showers, pack waterproofs
UV & Sun Protection Calendar
High UV Alert:
May, June, July, August require serious sun protection.
Jan
2
LOW-MOD
Feb
3
LOW-MOD
Mar
5
MODERATE
Apr
6
MODERATE
May
7
HIGH
Jun
7
HIGH
Jul
7
HIGH
Aug
6
HIGH
Sep
5
MODERATE
Oct
4
MODERATE
Nov
2
LOW-MOD
Dec
1
LOW-MOD
Extreme (11+)
Avoid sun during midday, use SPF 50+
Very High (8-10)
Essential sun protection required
High (6-7)
Use SPF 30+, wear hat & sunglasses
Moderate (3-5)
Sun protection recommended
Low-Moderate (1-2)
Minimal protection needed
Low (0)
No protection required
Daylight Hours
Daylight varies from 7.9 hours in December (winter) to 16.5 hours in June (summer), which is a difference of 8.6 hours.
Shortest Days
December
7.9h
Average Sunrise:08:06
Average Sunset:16:03
Plan daytime activities for midday when light is best. Early sunsets mean evening plans should account for darkness.
Longest Days
June
16.5h
Average Sunrise:03:54
Average Sunset:20:25
Extended daylight perfect for evening activities and late dining. You can fit more sightseeing into each day.
Wind & Humidity Overview
Wind Conditions
Average wind speed
Windiest months:
February (
18 km/h)
January (
17 km/h)
December (
17 km/h)
Packing tip: Conditions are generally calm, but a light layer is always handy.
Humidity Levels
Average humidity
82%
Most humid:
December (
89%)
Least humid:
July (
77%)
Packing tip: Choose breathable, natural fabrics like cotton or linen for comfort in humid conditions.
Seasonal Overview
Northern Hemisphere seasons shape the weather patterns throughout the year. Here's what to expect in each season:
Winter
January, February, December
Avg High
Avg Low
Avg Rain
Cool weather; bring layers and a jacket
Spring
March, April, May
Avg High
Avg Low
Avg Rain
Variable conditions; layer your clothing
Summer
June, July, August
Avg High
Avg Low
Avg Rain
Comfortable temperatures; enjoy outdoor activities
Autumn
September, October, November
Avg High
Avg Low
Avg Rain
Cooling down; pack warmer clothes
Risk Ranking Table
| Ranking Goal | #1 | #2 | #3 | #4 |
|---|---|---|---|---|
| Lowest rain risk | Mar 4 risk days | Apr 4 risk days | Jun 4 risk days | Jul 4 risk days |
| Lowest heatwave risk | Jan 0 risk days | Feb 0 risk days | Mar 0 risk days | Apr 0 risk days |
| Lowest cold risk | Aug 2 risk days | Jul 3 risk days | Jun 10 risk days | Sep 11 risk days |
| Lowest wind disruption risk | Aug 53 km/h | Jul 54 km/h | Jun 55 km/h | Sep 58 km/h |
| Most comfortable evenings | Jul 61 / 100 | Aug 59 / 100 | Jun 52 / 100 | Sep 50 / 100 |
| Best outdoor reliability | Jul 99 / 100 | Jun 97 / 100 | Sep 95 / 100 | Apr 92 / 100 |
Monthly Details
Click any month for detailed weather information and packing advice.
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View Best Time to VisitFrequently Asked Questions
When is Bath warmest?
July is typically the warmest month in Bath, with average high temperatures reaching around 20°C (68°F). This is peak summer weather, ideal for outdoor activities and sightseeing.
When is Bath coldest?
January is usually the coldest month, with average low temperatures dropping to around 2°C (36°F). Pack warm layers if visiting during this time, especially for evening activities.
When does Bath get the most rain?
October typically sees the most rainfall in Bath, averaging around 79mm (3.1 inches). It's wise to pack waterproof layers and have some indoor backup plans if you're visiting during this month.
What is the driest month in Bath?
April is typically the driest month, with average rainfall of just 58mm (2.3 inches). This makes it an excellent time for outdoor exploration and activities with minimal risk of rain disruption.
How much does the temperature vary in Bath throughout the year?
Temperatures in Bath range from average lows of 7°C (45°F) to highs of 14°C (56°F). This variation means you'll want to pack differently depending on when you visit, as layers are key for adapting to the seasonal changes.
Do I need sun protection when visiting Bath?
Yes, sun protection is important in Bath. UV levels can reach 7 during peak months, which is considered high. Pack sunscreen (SPF 30+), sunglasses, and a hat, especially if you'll be outdoors for extended periods.