Grenaa climate by month
What the weather is like
Grenaa has an oceanic climate (Köppen Cfb): rain spread through the year and no real dry season.
The warmest month is July, when afternoons average 20° and nights 15°. February is the coolest month, with highs of 3° and lows of 1°. The difference between the warmest and the coolest month is about 16°.
About 658 mm of precipitation falls in an average year. August is the wettest month (73 mm, 16 wet days) and April the driest (35 mm, 9 wet days). Cloud cover ranges from 31% in July to 54% in January.
The sea reaches about 18° 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 Copenhagen, the capital, Grenaa is 1.8° cooler on a July afternoon and receives less precipitation over the year.
Year in figures
- Hottest afternoons
- 20° · July
- Coldest nights
- 1° · February
- Wettest month
- August
- Driest month
- April
- Clearest skies
- July · 31% cloud
- Warmest sea
- 18° · August
- Longest day
- 17 h 41 min
- Shortest day
- 6 h 54 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° | 3° | 5° | 10° | 14° | 18° | 20° | 20° | 17° | 12° | 8° | 5° |
| Average low | 1° | 1° | 2° | 5° | 9° | 13° | 15° | 15° | 13° | 9° | 5° | 3° |
| Precipitation | 49 mm | 39 mm | 44 mm | 35 mm | 50 mm | 65 mm | 63 mm | 73 mm | 64 mm | 69 mm | 55 mm | 52 mm |
| Wet days (≥1 mm) | 14.4 | 11.2 | 10.8 | 8.9 | 12.1 | 12.6 | 13.4 | 16.1 | 13.7 | 15.8 | 16.1 | 16.1 |
| Cloud cover | 54% | 53% | 46% | 38% | 33% | 33% | 31% | 33% | 38% | 43% | 50% | 54% |
| Sea temperature | 3° | 3° | 3° | 7° | 11° | 15° | 17° | 18° | 15° | 12° | 8° | 5° |
| Daylight | 7h 31 | 9h 34 | 11h 45 | 14h 12 | 16h 22 | 17h 41 | 17h 08 | 15h 11 | 12h 50 | 10h 29 | 8h 14 | 6h 54 |
| Month score | 15 | 22 | 26 | 34 | 50 | 67 | 68 | 66 | 59 | 31 | 17 | 15 |