Annual mean 8°C · wettest around November · prevailing wind SW
Warmest
20.1 °C
Coldest
-1.4 °C
Wettest
44%
Windiest
5.1 m/s
Prevailing
SW
4.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Arendal over the whole year is 8°C. July is the hottest month, with highs of about 19°C; January is the coldest, with lows of about -1°C. Arendal has no sharply defined rainy season: the chance of rain on a given day runs from 21% in April, the driest month, to 41% in November, the wettest. Winds in Arendal are highest in October, averaging 4.4 m/s (16 km/h), and lightest in May, at 3.6 m/s (13 km/h). The prevailing wind is from the SW. The clearest skies in Arendal come in April, when the sky is typically 54% covered; November is the cloudiest month, at 74%.
Month by month Arendal climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
-0°C
-1°C
-5°C
36%
64%
4.2 m/s
0
0
1
February
2°C
-1°C
-4°C
33%
66%
4.0 m/s
0
0
2
March
5°C
0°C
-1°C
30%
63%
3.9 m/s
0
0
8
April
9°C
3°C
4°C
21%
54%
3.9 m/s
2
0
28
May
14°C
9°C
10°C
22%
54%
3.6 m/s
22
1
63
June
18°C
13°C
15°C
25%
56%
3.7 m/s
49
3
77
July
19°C
15°C
17°C
21%
56%
3.6 m/s
67
7
77
August
18°C
13°C
16°C
24%
60%
3.6 m/s
61
2
81
September
15°C
11°C
12°C
32%
66%
3.9 m/s
31
1
75
October
10°C
7°C
6°C
37%
72%
4.4 m/s
1
0
43
November
5°C
3°C
0°C
41%
74%
4.3 m/s
0
0
13
December
2°C
1°C
-3°C
41%
68%
4.1 m/s
0
0
3
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Arendal weather by season
Year round, Arendal has days of about -0°C at their warmest in January, its coolest month, and 19°C in July, its warmest; the coolest hours of the day run from -1°C to 15°C through the year, and the average temperature over the year is 8°C around the clock. Rain is most likely around November and least likely around April. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Arendal weather in winterDecember to February
High 1°CLow -0°CRain 36%
Winter in Arendal has typical daily highs of about 1°C and lows of about -0°C, with a 36% chance of rain on a given day.
Arendal weather in springMarch to May
High 9°CLow 4°CRain 24%
Spring in Arendal has typical daily highs of about 9°C and lows of about 4°C, with a 24% chance of rain on a given day.
Arendal weather in summerJune to August
High 18°CLow 14°CRain 23%
Summer in Arendal has typical daily highs of about 18°C and lows of about 14°C, with a 23% chance of rain on a given day.
Arendal weather in autumnSeptember to November
High 10°CLow 7°CRain 36%
Autumn in Arendal has typical daily highs of about 10°C and lows of about 7°C, with a 36% chance of rain on a given day.
When is the rainy season in Arendal?
Arendal has no sharply defined rainy season: the chance of rain on a given day runs from 21% in April, the driest month, to 41% in November, the wettest.
What time of year is Arendal windiest?
Winds in Arendal are highest in October, averaging 4.4 m/s (16 km/h), and lightest in May, at 3.6 m/s (13 km/h). The prevailing wind is from the SW.
What is the average temperature in Arendal year round?
The average temperature in Arendal over the whole year is 8°C. July is the hottest month, with highs of about 19°C; January is the coldest, with lows of about -1°C.