Aarhus records about 614mm of rain across roughly 115 wet days a year, which is a 32% chance on an average day. October is the wettest month at 62mm (10% of the annual total) and February the driest at 32mm. Local rain type: drizzle. Aarhus gets moderate but persistent North Sea-influenced rain. A waterproof jacket is essential from October through April.
Chance of rain on an average day: 32%
Rainfall climatology for Aarhus. The live hour-by-hour answer for today loads at the top of this page from Open-Meteo and refreshes through the day — the figures below describe a typical year, not today.
Last updated: · Live forecast data refreshes hourly.
| Annual rainfall | 614mm |
| Rain days per year | 115 |
| Odds on an average day | 32% |
| Wettest month | October — 62mm over 12 days |
| Driest month | February — 32mm over 6 days |
| Rain type | drizzle |
| Best dry window | May and June offer the driest weather for exploring. |
| Worst rain window | September through November brings persistent drizzle and shortening days. |
October delivers 94% more rain than February (62mm vs 32mm). That gap is the difference between planning around showers and ignoring them.
No single month holds more than 10% of the annual total, so rain in Aarhus is spread through the year — there is no season you can rely on being dry.
Aarhus rain is mostly persistent drizzle, where a waterproof shell beats an umbrella.
Rain falls on about 12 days in October against 6 in February — the frequency swing matters more for planning than the millimetre totals.
Climate normals. Use them to judge whether today's live forecast at the top of the page is typical or unusual for the season.
| Month | Rainfall | Rain days | Chance on a given day | Highs |
|---|---|---|---|---|
| January | 48mm | 9 | 30% | 3°C |
| February | 32mm | 6 | 20% | 3°C |
| March | 36mm | 7 | 23% | 6°C |
| April | 35mm | 7 | 23% | 10°C |
| May | 42mm | 8 | 27% | 14°C |
| June | 52mm | 10 | 33% | 18°C |
| July | 62mm | 12 | 40% | 21°C |
| August | 60mm | 11 | 37% | 21°C |
| September | 62mm | 12 | 40% | 18°C |
| October | 62mm | 12 | 40% | 14°C |
| November | 58mm | 11 | 37% | 10°C |
| December | 52mm | 10 | 33% | 6°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Aarhus we combine the hourly probability curve, expected volume in millimetres, and the city's own rainfall record into a single umbrella verdict.
| Factor | Weight | What it measures |
|---|---|---|
| Hourly probability | 40% | Peak and sustained chance of measurable rain across the next 24 hours. |
| Expected volume | 30% | Total millimetres, which separates a passing shower from a genuine soaking. |
| Timing & duration | 20% | When rain starts, when it eases, and the longest continuous dry window. |
| Local rain type | 10% | Drizzle, brief showers, thunderstorms or monsoon — each needs different gear. |
Live hourly values come from Open-Meteo and refresh through the day. Monthly rainfall figures are climate normals, so they describe a typical year rather than a forecast.
Aarhus records rain on roughly 115 days a year — about a 32% chance on any given day — totalling around 614mm.
October, with about 62mm over 12 rain days. That is 10% of the entire year's rainfall in a single month.
February is the driest month at 32mm across roughly 6 days. May and June offer the driest weather for exploring.
Aarhus gets moderate but persistent North Sea-influenced rain. A waterproof jacket is essential from October through April.
No. Probability is the chance that at least 0.2mm of rain falls at your location at some point in the period. Check the expected millimetres alongside it: 40% with 0.4mm is a passing shower, 40% with 12mm is a soaking.