Weather by Month - Christchurch

Christchurch experiences distinct seasons, with warm January days averaging 21°C / 70°F and cool July nights dropping to 3°C / 37°F. Rainfall averages 51 mm / 2 in per month, with June typically the wettest. December offers the longest days with around 15 hours of daylight.

Temperature Comparison

Month Low Temperature High Temperature Category
January mild
February mild
March mild
April mild
May cool
June cool
July cool
August cool
September cool
October mild
November mild
December mild

Rain & Sunshine Patterns

Driest Months

#1 February
Best for: outdoor activities & sightseeing
#2 September
Best for: outdoor activities & sightseeing
#3 March
Best for: outdoor activities & sightseeing

Wettest Months

#1 June
Expect: possible showers, pack waterproofs
#2 July
Expect: possible showers, pack waterproofs
#3 December
Expect: possible showers, pack waterproofs

UV & Sun Protection Calendar

High UV Alert:
January, February, March, October, November, December require serious sun protection.
Jan
9
VERY-HIGH
Feb
8
VERY-HIGH
Mar
7
HIGH
Apr
5
MODERATE
May
3
MODERATE
Jun
2
LOW-MOD
Jul
3
LOW-MOD
Aug
4
MODERATE
Sep
6
MODERATE
Oct
7
HIGH
Nov
8
VERY-HIGH
Dec
9
VERY-HIGH
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 9 hours in June (winter) to 15.4 hours in December (summer), which is a difference of 6.4 hours.

Shortest Days

June
9h
Average Sunrise:08:59
Average Sunset:17:59
Plan daytime activities for midday when light is best. Early sunsets mean evening plans should account for darkness.

Longest Days

December
15.4h
Average Sunrise:05:43
Average Sunset:21:04
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:
December (15 km/h) January (15 km/h) November (15 km/h)
Packing tip: Conditions are generally calm, but a light layer is always handy.

Humidity Levels

Average humidity
76%
Most humid:
June (83%)
Least humid:
December (69%)
Packing tip: Choose breathable, natural fabrics like cotton or linen for comfort in humid conditions.

Seasonal Overview

Southern Hemisphere seasons shape the weather patterns throughout the year. Here's what to expect in each season:

Summer

January, February, December
Avg High 21°C
Avg Low 12°C
Avg Rain 49 mm
Comfortable temperatures; enjoy outdoor activities

Autumn

March, April, May
Avg High 17°C
Avg Low 9°C
Avg Rain 49 mm
Mild conditions; transitional weather

Winter

June, July, August
Avg High 11°C
Avg Low 3°C
Avg Rain 56 mm
Cool weather; bring layers and a jacket

Spring

September, October, November
Avg High 16°C
Avg Low 7°C
Avg Rain 49 mm
Variable conditions; layer your clothing

Monthly Details

Click any month for detailed weather information and packing advice.

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Frequently Asked Questions

What is the best month to visit Christchurch?

The best months to visit Christchurch depend on your preferences. For warm weather, January is typically the warmest month. For dry conditions, February, September, March tend to have the least rainfall. Consider your priorities—whether you prefer warmer temperatures, drier weather, or longer daylight hours.

When is Christchurch warmest?

January is typically the warmest month in Christchurch, with average high temperatures reaching around 21°C (70°F). This is peak summer weather, ideal for outdoor activities and sightseeing.

When is Christchurch coldest?

July is usually the coldest month, with average low temperatures dropping to around 3°C (37°F). Pack warm layers if visiting during this time, especially for evening activities.

When does Christchurch get the most rain?

June typically sees the most rainfall in Christchurch, averaging around 59mm (2.3 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 Christchurch?

February is typically the driest month, with average rainfall of just 41mm (1.6 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 Christchurch throughout the year?

Temperatures in Christchurch range from average lows of 8°C (46°F) to highs of 16°C (61°F). This variation means you'll want to pack differently depending on when you visit—layers are key for adapting to the seasonal changes.

Do I need sun protection when visiting Christchurch?

Yes, sun protection is important in Christchurch. UV levels can reach 9 during peak months, which is considered very high. Pack sunscreen (SPF 30+), sunglasses, and a hat, especially if you'll be outdoors for extended periods.

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