Monthly climate in Grenaa, Denmark

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Grenaa features a oceanic climate (Cfb). Temperatures typically range between 3 °C (38 °F) and 18 °C (64 °F) through the year, but rarely can drop to -7 °C (20 °F) or can rise to as high as 25 °C (77 °F). The average annual precipitation amounts to about 795 mm (31.3 inches) and receives 147 rainy days on the 1 mm (0.04 inches) threshold annually. Grenaa enjoys an average of 3436 hours of sunshine throughout the year, and daylight varies from 6 hours 56 minutes to 17 hours 35 minutes per day.

Monthly average temperatures in Grenaa, Denmark

The warmest months in Grenaa are June, July and August, with daily mean temperatures ranging from 16 to 18 °C (61 - 64 °F) throughout the day. The coldest temperatures usually occur in January, February and March, when daily mean temperatures range from 3 to 4 °C (38 - 39 °F) throughout the day. On average each year, Grenaa experiences 0 days above 25 °C (77.0 °F) and 11 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grenaa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum10°C
(50°F)
10°C
(50°F)
10°C
(50°F)
14°C
(57°F)
20°C
(69°F)
22°C
(71°F)
24°C
(76°F)
25°C
(77°F)
21°C
(70°F)
17°C
(62°F)
15°C
(60°F)
10°C
(50°F)
Mean maximum8°C
(47°F)
8°C
(46°F)
8°C
(47°F)
12°C
(53°F)
17°C
(62°F)
20°C
(67°F)
22°C
(71°F)
22°C
(71°F)
19°C
(67°F)
16°C
(61°F)
13°C
(55°F)
9°C
(48°F)
Average high5°C
(41°F)
4°C
(39°F)
5°C
(41°F)
8°C
(47°F)
12°C
(55°F)
18°C
(64°F)
19°C
(66°F)
19°C
(66°F)
16°C
(62°F)
13°C
(55°F)
9°C
(49°F)
6°C
(43°F)
Daily mean4°C
(39°F)
3°C
(38°F)
4°C
(39°F)
7°C
(44°F)
11°C
(52°F)
16°C
(61°F)
17°C
(64°F)
18°C
(64°F)
15°C
(60°F)
12°C
(54°F)
8°C
(47°F)
5°C
(41°F)
Average low3°C
(37°F)
2°C
(36°F)
3°C
(38°F)
6°C
(42°F)
10°C
(50°F)
15°C
(59°F)
16°C
(61°F)
17°C
(62°F)
14°C
(58°F)
11°C
(52°F)
7°C
(46°F)
4°C
(40°F)
Mean minimum-0°C
(32°F)
-1°C
(30°F)
-0°C
(32°F)
2°C
(36°F)
6°C
(43°F)
11°C
(53°F)
13°C
(56°F)
14°C
(57°F)
12°C
(53°F)
7°C
(45°F)
3°C
(37°F)
1°C
(34°F)
Minimum-3°C
(26°F)
-6°C
(21°F)
-7°C
(20°F)
0°C
(33°F)
4°C
(40°F)
11°C
(52°F)
12°C
(54°F)
13°C
(56°F)
11°C
(51°F)
5°C
(41°F)
1°C
(35°F)
-2°C
(29°F)

Compare climate in Grenaa with other places

Compare temperature, precipitation, sunshine, UV index in Grenaa, Denmark with other places around the world.

Monthly average precipitation in Grenaa, Denmark

Grenaa usually has the most precipitation in August, September and October, with an average of 13 rainy days and 92 mm (3.6 inches) of precipitation per month. The driest months in Grenaa are March, April and June. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grenaa. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)58 (2.3)54 (2.1)54 (2.1)34 (1.3)60 (2.4)50 (2.0)63 (2.5)84 (3.3)88 (3.5)104 (4.1)67 (2.6)78 (3.1)
Average precipitation days (≥ 1 mm)1212117119121213161616

Monthly sunshine hours in Grenaa, Denmark

The sunniest months in Grenaa are May, June and July, when the sun shines an average of 14 hours 24 minutes a day. Least sunny months in Grenaa: January, November and December receive an average of 3 hours 41 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grenaa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours91180259372426445453403313239137110
Mean daily daylight hours7h 35m9h 32m11h 53m14h 16m16h 25m17h 35m16h 58m15h 0m12h 41m10h 19m8h 9m6h 56m

Solar UV radiation in Grenaa, Denmark

Grenaa experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 6 - 7, which corresponds to the High category of sun exposure. January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 1. For more detailed information, check out our hourly Grenaa UV Index data.

Average daily maximum UV levels by month for Grenaa. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)123567765311