Sandnes climate by month
What the weather is like
Sandnes has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is August, when afternoons average 19° and nights 12°. January is the coolest month, with highs of 4° and lows of -1°. The difference between the warmest and the coolest month is about 14°.
About 1,723 mm of precipitation falls in an average year. December is the wettest month (170 mm, 23 wet days) and April the driest (84 mm, 16 wet days). Cloud cover ranges from 36% in May to 53% in January.
The sea reaches about 16° in August. Sea temperatures lag the air by a month or two, so late summer is usually warmer for swimming than early summer.
Compared with Oslo, the capital, Sandnes is 2.6° cooler on a August afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 19° · August
- Coldest nights
- -1° · February
- Wettest month
- December
- Driest month
- April
- Clearest skies
- May · 36% cloud
- Warmest sea
- 16° · August
- Longest day
- 18 h 24 min
- Shortest day
- 6 h 17 min
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columns, sea temperature lineTemperature curve
Average high, low and seaDaylight
Hours between sunrise and sunset on the 15th of each monthClimate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 4° | 4° | 6° | 11° | 14° | 17° | 19° | 19° | 16° | 12° | 8° | 5° |
| Average low | -1° | -1° | 0° | 3° | 6° | 9° | 12° | 12° | 10° | 6° | 2° | 0° |
| Precipitation | 174 mm | 124 mm | 115 mm | 84 mm | 78 mm | 81 mm | 123 mm | 166 mm | 181 mm | 226 mm | 201 mm | 170 mm |
| Wet days (≥1 mm) | 21.2 | 17.8 | 17.6 | 15.8 | 17.6 | 17.2 | 19.9 | 20.9 | 19.9 | 19.9 | 20.8 | 22.5 |
| Cloud cover | 53% | 50% | 50% | 42% | 36% | 40% | 41% | 41% | 45% | 47% | 49% | 51% |
| Sea temperature | 6° | 5° | 5° | 6° | 9° | 12° | 15° | 16° | 15° | 12° | 10° | 8° |
| Daylight | 6h 59 | 9h 19 | 11h 44 | 14h 25 | 16h 51 | 18h 24 | 17h 45 | 15h 31 | 12h 54 | 10h 20 | 7h 48 | 6h 17 |
| Month score | 15 | 17 | 17 | 23 | 45 | 55 | 62 | 62 | 50 | 26 | 17 | 16 |