Stavanger records about 1180mm of rain across roughly 155 wet days a year, which is a 42% chance on an average day. October is the wettest month at 132mm (11% of the annual total) and April the driest at 62mm. Local rain type: steady rain. Stavanger is one of Norway's wettest cities. Wind-proof rain gear is essential — Atlantic storms bring horizontal rain regularly.
Chance of rain on an average day: 42%
Rainfall climatology for Stavanger. 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 | 1180mm |
| Rain days per year | 155 |
| Odds on an average day | 42% |
| Wettest month | October — 132mm over 18 days |
| Driest month | April — 62mm over 8 days |
| Rain type | steady rain |
| Best dry window | April through June offers the driest window for hiking to Preikestolen. |
| Worst rain window | October through December brings heavy Atlantic rain with strong winds. |
October delivers 113% more rain than April (132mm vs 62mm). That gap is the difference between planning around showers and ignoring them.
No single month holds more than 11% of the annual total, so rain in Stavanger is spread through the year — there is no season you can rely on being dry.
Stavanger rain typically comes as discrete showers, so a compact umbrella and a flexible plan are usually enough.
Rain falls on about 18 days in October against 8 in April — 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 | 115mm | 15 | 50% | 4°C |
| February | 82mm | 11 | 37% | 4°C |
| March | 78mm | 10 | 33% | 6°C |
| April | 62mm | 8 | 27% | 9°C |
| May | 65mm | 9 | 30% | 13°C |
| June | 72mm | 10 | 33% | 16°C |
| July | 88mm | 12 | 40% | 18°C |
| August | 108mm | 15 | 50% | 18°C |
| September | 118mm | 16 | 53% | 16°C |
| October | 132mm | 18 | 60% | 13°C |
| November | 112mm | 15 | 50% | 9°C |
| December | 120mm | 16 | 53% | 6°C |
Rain probability is the chance that at least 0.2mm falls at your location — not how long it rains. For Stavanger 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.
Stavanger records rain on roughly 155 days a year — about a 42% chance on any given day — totalling around 1180mm.
October, with about 132mm over 18 rain days. That is 11% of the entire year's rainfall in a single month.
April is the driest month at 62mm across roughly 8 days. April through June offers the driest window for hiking to Preikestolen.
Stavanger is one of Norway's wettest cities. Wind-proof rain gear is essential — Atlantic storms bring horizontal rain regularly.
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.