The biggest temperature swing occurs between October and November, as typical highs shift from 20.7°C / 69.2°F to 16.2°C / 61.2°F (about 4.5°C / 8°F).
| Month | Low Temperature | High Temperature | Category |
|---|---|---|---|
| January | 6°C | 12.6°C | COOL |
| February | 6.3°C | 13.2°C | COOL |
| March | 8.1°C | 15°C | COOL |
| April | 10°C | 16.8°C | MILD |
| May | 13.4°C | 20°C | MILD |
| June | 17.5°C | 24°C | WARM |
| July | 20.4°C | 26.7°C | WARM |
| August | 21°C | 27°C | WARM |
| September | 18.2°C | 23.8°C | WARM |
| October | 15.1°C | 20.7°C | MILD |
| November | 10.3°C | 16.2°C | MILD |
| December | 7.1°C | 13.4°C | COOL |
August has the warmest typical feels-like highs (29.7°C / 85.5°F), while January is coolest (10.2°C / 50.3°F).
| Month | Low Feels Like | High Feels Like | Category |
|---|---|---|---|
| January | 3.1°C | 10.2°C | COOL |
| February | 3.7°C | 10.8°C | COOL |
| March | 5.8°C | 13.2°C | COOL |
| April | 8.3°C | 15.8°C | MILD |
| May | 12.9°C | 20.4°C | MILD |
| June | 18.5°C | 25.8°C | WARM |
| July | 22.6°C | 29.3°C | WARM |
| August | 23.4°C | 29.7°C | WARM |
| September | 19.1°C | 25.1°C | WARM |
| October | 15°C | 20.8°C | MILD |
| November | 8.4°C | 14.7°C | COOL |
| December | 4.5°C | 11.3°C | COOL |
October is wettest at 93.1 mm / 3.67 inches, while July is driest at 23.8 mm / 0.94 inches.
| Month | Baseline | Rainfall | Category |
|---|---|---|---|
| January | -3.9 mm | 40.6 mm | LIGHT |
| February | -3.9 mm | 34.1 mm | LIGHT |
| March | -3.9 mm | 41.2 mm | LIGHT |
| April | -3.9 mm | 55.3 mm | LIGHT |
| May | -3.9 mm | 47.9 mm | LIGHT |
| June | -3.9 mm | 36.2 mm | LIGHT |
| July | -3.9 mm | 23.8 mm | LIGHT |
| August | -3.9 mm | 43.7 mm | LIGHT |
| September | -3.9 mm | 81.7 mm | MODERATE |
| October | -3.9 mm | 93.1 mm | MODERATE |
| November | -3.9 mm | 62.8 mm | MODERATE |
| December | -3.9 mm | 40.4 mm | LIGHT |
June has the strongest peak UV (around index 8).
| Month | Baseline | UV Index | Category |
|---|---|---|---|
| January | 0 | 3.1 | MODERATE |
| February | 0 | 4.3 | MODERATE |
| March | 0 | 6 | HIGH |
| April | 0 | 7.3 | HIGH |
| May | 0 | 7.7 | HIGH |
| June | 0 | 8 | HIGH |
| July | 0 | 7.9 | HIGH |
| August | 0 | 7.5 | HIGH |
| September | 0 | 6.6 | HIGH |
| October | 0 | 5.2 | MODERATE |
| November | 0 | 3.6 | MODERATE |
| December | 0 | 2.6 | LOW-MOD |
Daylight ranges from 9.2h in December to 15.1h in June.
| Month | Baseline | Daylight Hours | Category |
|---|---|---|---|
| January | 0h | 9.6h | SHORT |
| February | 0h | 10.6h | BALANCED |
| March | 0h | 12h | BALANCED |
| April | 0h | 13.3h | LONG |
| May | 0h | 14.5h | LONG |
| June | 0h | 15.1h | LONG |
| July | 0h | 14.8h | LONG |
| August | 0h | 13.8h | LONG |
| September | 0h | 12.5h | BALANCED |
| October | 0h | 11.1h | BALANCED |
| November | 0h | 9.9h | SHORT |
| December | 0h | 9.2h | SHORT |
October is most humid (79.2%), while July is driest (74.7%).
| Month | Baseline | Humidity (avg) | Category |
|---|---|---|---|
| January | 73.1% | 76.3% | MUGGY |
| February | 73.1% | 75.9% | MUGGY |
| March | 73.1% | 76% | MUGGY |
| April | 73.1% | 76.1% | MUGGY |
| May | 73.1% | 77.2% | MUGGY |
| June | 73.1% | 75.8% | MUGGY |
| July | 73.1% | 74.7% | HUMID |
| August | 73.1% | 75.3% | MUGGY |
| September | 73.1% | 76.6% | MUGGY |
| October | 73.1% | 79.2% | MUGGY |
| November | 73.1% | 76.1% | MUGGY |
| December | 73.1% | 77.3% | MUGGY |
March has the strongest typical average wind (10.1 km/h / 6.3 mph), while August is calmest (8.4 km/h / 5.2 mph).
| Month | Baseline | Wind (avg) | Category |
|---|---|---|---|
| January | 7.7 km/h | 9.6 km/h | CALM |
| February | 7.7 km/h | 9.5 km/h | CALM |
| March | 7.7 km/h | 10.1 km/h | CALM |
| April | 7.7 km/h | 10.1 km/h | CALM |
| May | 7.7 km/h | 9.2 km/h | CALM |
| June | 7.7 km/h | 8.7 km/h | CALM |
| July | 7.7 km/h | 8.7 km/h | CALM |
| August | 7.7 km/h | 8.4 km/h | CALM |
| September | 7.7 km/h | 8.6 km/h | CALM |
| October | 7.7 km/h | 8.8 km/h | CALM |
| November | 7.7 km/h | 9.5 km/h | CALM |
| December | 7.7 km/h | 9.5 km/h | CALM |
March is windiest by P95 gust signal (50.4 km/h / 31.3 mph).
| Month | Baseline | Wind (gusts) | Category |
|---|---|---|---|
| January | 0 km/h | 47.5 km/h | WINDY |
| February | 0 km/h | 47.5 km/h | WINDY |
| March | 0 km/h | 50.4 km/h | VERY WINDY |
| April | 0 km/h | 48.6 km/h | WINDY |
| May | 0 km/h | 44.6 km/h | WINDY |
| June | 0 km/h | 42.8 km/h | WINDY |
| July | 0 km/h | 43.2 km/h | WINDY |
| August | 0 km/h | 41 km/h | WINDY |
| September | 0 km/h | 40.7 km/h | WINDY |
| October | 0 km/h | 43.2 km/h | WINDY |
| November | 0 km/h | 50 km/h | VERY WINDY |
| December | 0 km/h | 46.8 km/h | WINDY |
September has the most rain days (~13.8), while July has the fewest (~6.9). Rain days count the average number of days in a month with measurable rain (about 0.1 mm or more).
| Month | Baseline | Rain Days | Category |
|---|---|---|---|
| January | 4.1 days | 7.8 days | SOME |
| February | 4.1 days | 8 days | SOME |
| March | 4.1 days | 9.4 days | FREQUENT |
| April | 4.1 days | 11.2 days | FREQUENT |
| May | 4.1 days | 10 days | FREQUENT |
| June | 4.1 days | 7.9 days | SOME |
| July | 4.1 days | 6.9 days | SOME |
| August | 4.1 days | 9.4 days | FREQUENT |
| September | 4.1 days | 13.8 days | FREQUENT |
| October | 4.1 days | 12.2 days | FREQUENT |
| November | 4.1 days | 10.2 days | FREQUENT |
| December | 4.1 days | 7.6 days | SOME |
September has the most heavy rain/washout risk days (~5). Heavy rain days are the average number of days likely to bring stronger downpours that can disrupt outdoor plans.
| Month | Baseline | Heavy Rain Days | Category |
|---|---|---|---|
| January | 0 days | 2 days | OCCASIONAL |
| February | 0 days | 2 days | OCCASIONAL |
| March | 0 days | 2 days | OCCASIONAL |
| April | 0 days | 3 days | FREQUENT |
| May | 0 days | 3 days | FREQUENT |
| June | 0 days | 2 days | OCCASIONAL |
| July | 0 days | 1 days | OCCASIONAL |
| August | 0 days | 3 days | FREQUENT |
| September | 0 days | 5 days | FREQUENT |
| October | 0 days | 5 days | FREQUENT |
| November | 0 days | 4 days | FREQUENT |
| December | 0 days | 2 days | OCCASIONAL |
August has the highest heat-risk day count (~1 days). Heat days are the average number of days that exceed our location-specific heat-risk threshold.
| 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 | 1 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 |
Daylight varies from 9.2 hours in December (winter) to 15.1 hours in June (summer), which is a difference of 5.9 hours.
Northern Hemisphere seasons shape the weather patterns throughout the year. Here's what to expect in each season:
| Ranking Goal | #1 | #2 | #3 | #4 |
|---|---|---|---|---|
| Lowest rain risk | Jul 1 risk days | Jan 2 risk days | Feb 2 risk days | Mar 2 risk days |
| Lowest heatwave risk | Jan 0 risk days | Feb 0 risk days | Mar 0 risk days | Apr 0 risk days |
| Lowest cold risk | Jun 0 risk days | Jul 0 risk days | Aug 0 risk days | Sep 0 risk days |
| Lowest wind disruption risk | Sep 41 km/h | Aug 41 km/h | Jun 43 km/h | Jul 43 km/h |
| Most comfortable evenings | Jun 87 / 100 | Sep 79 / 100 | Jul 74 / 100 | Oct 71 / 100 |
| Best outdoor reliability | Jul 95 / 100 | Jun 84 / 100 | Dec 76 / 100 | Jan 74 / 100 |
Click any month for detailed weather information and packing advice.
Get personalized month rankings based on weather comfort, outdoor activity suitability, and seasonal conditions.
View Best Time to VisitThe best months to visit Barcelona depend on your preferences. For warm weather, August is typically the warmest month. For dry conditions, July, February, June tend to have the least rainfall. Consider your priorities, and whether you prefer warmer temperatures, drier weather, or longer daylight hours.
August is typically the warmest month in Barcelona, with average high temperatures reaching around 27°C (81°F). This is peak summer weather, ideal for outdoor activities and sightseeing.
January is usually the coldest month, with average low temperatures dropping to around 6°C (43°F). Pack warm layers if visiting during this time, especially for evening activities.
October typically sees the most rainfall in Barcelona, averaging around 93mm (3.7 inches). It's wise to pack waterproof layers and have some indoor backup plans if you're visiting during this month.
July is typically the driest month, with average rainfall of just 24mm (0.9 inches). This makes it an excellent time for outdoor exploration and activities with minimal risk of rain disruption.
Temperatures in Barcelona range from average lows of 13°C (55°F) to highs of 19°C (66°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.
Yes, sun protection is important in Barcelona. UV levels can reach 8 during peak months, which is considered high. Pack sunscreen (SPF 30+), sunglasses, and a hat, especially if you'll be outdoors for extended periods.