Irun Climate by Month
Irun, Basque Country, Spain
Warm summers and mild winters, with rain spread through the year.
Irun has warm summers and mild winters, with rain spread through the year. Afternoon highs range from 55°F (13°C) in January to 78°F (26°C) in August, and January nights average 42°F (5°C). It gets 48 in (1216 mm) of rain a year, spread across the months.
- Warmest month
- 78°F(26°C)
- Average high, August
- Coldest nights
- 42°F(5°C)
- Average low, January
- Rain per year
- 48 in(1216 mm)
- No clear rainy season
- Humidity
- 75%
- Sunniest: June
Best and worst months in Irun
Best for weatherThe most comfortable weather comes in June, July and September, with highs around 76°F (24°C) and about 2.7 in (69 mm) of rain a month.
Least pleasantJanuary and November are the least pleasant; January is the coldest, with highs of only 55°F (13°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Irun weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 55°F(13°C) | 42°F(5°C) | 5.0 in(126 mm) | 78% | 1.4 |
| FebFebruary | 57°F(14°C) | 42°F(6°C) | 3.9 in(98 mm) | 75% | 2.3 |
| MarMarch | 61°F(16°C) | 46°F(8°C) | 3.5 in(90 mm) | 72% | 3.4 |
| AprApril | 64°F(18°C) | 49°F(9°C) | 4.3 in(108 mm) | 71% | 4.5 |
| MayMay | 69°F(21°C) | 54°F(12°C) | 3.5 in(89 mm) | 74% | 5.4 |
| JunJuneBest | 74°F(23°C) | 60°F(15°C) | 2.7 in(68 mm) | 76% | 5.9 |
| JulJulyBest | 77°F(25°C) | 63°F(17°C) | 2.2 in(56 mm) | 76% | 5.7 |
| AugAugust | 78°F(26°C) | 63°F(17°C) | 2.8 in(72 mm) | 78% | 5.3 |
| SepSeptemberBest | 75°F(24°C) | 59°F(15°C) | 3.2 in(82 mm) | 74% | 4.0 |
| OctOctober | 70°F(21°C) | 54°F(12°C) | 4.9 in(125 mm) | 74% | 2.6 |
| NovNovember | 61°F(16°C) | 47°F(8°C) | 6.9 in(176 mm) | 77% | 1.6 |
| DecDecember | 57°F(14°C) | 44°F(6°C) | 5.0 in(126 mm) | 73% | 1.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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