Annual mean 8°C · wettest around November · prevailing wind SW
Warmest
21.9 °C
Coldest
0.6 °C
Wettest
34%
Windiest
5.2 m/s
Prevailing
SW
4.3 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 Oskarshamn over the whole year is 8°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -0°C. The rainy (wet) season in Oskarshamn runs from October to January, peaking in November with a 28% chance of rain on a given day. The dry season is February to September; April is the driest month, at 8%. Winds in Oskarshamn are highest in January, averaging 4.1 m/s (15 km/h), and lightest in August, at 2.9 m/s (10 km/h). The prevailing wind is from the SW. The clearest skies in Oskarshamn come in June, when the sky is typically 40% covered; December is the cloudiest month, at 79%.
Month by month Oskarshamn 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
1°C
-0°C
-4°C
19%
75%
4.1 m/s
0
0
1
February
3°C
-0°C
-3°C
16%
67%
4.1 m/s
0
0
3
March
5°C
0°C
-0°C
13%
61%
3.6 m/s
0
0
10
April
9°C
3°C
4°C
8%
47%
3.7 m/s
3
0
30
May
15°C
7°C
11°C
11%
45%
3.2 m/s
27
1
70
June
20°C
13°C
18°C
10%
40%
3.1 m/s
69
10
76
July
21°C
14°C
19°C
12%
44%
3.2 m/s
78
13
73
August
21°C
14°C
19°C
15%
46%
2.9 m/s
79
12
74
September
17°C
11°C
14°C
15%
54%
3.0 m/s
46
2
84
October
11°C
7°C
7°C
23%
65%
3.6 m/s
5
0
56
November
6°C
4°C
2°C
28%
78%
3.4 m/s
0
0
20
December
2°C
1°C
-2°C
23%
79%
3.7 m/s
0
0
2
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 Oskarshamn weather by season
Year round, Oskarshamn has days of about 1°C at their warmest in January, its coolest month, and 21°C in July, its warmest; the coolest hours of the day run from -0°C to 14°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.
Oskarshamn weather in winterDecember to February
High 2°CLow 0°CRain 19%
Winter in Oskarshamn has typical daily highs of about 2°C and lows of about 0°C, with a 19% chance of rain on a given day.
Oskarshamn weather in springMarch to May
High 10°CLow 4°CRain 11%
Spring in Oskarshamn has typical daily highs of about 10°C and lows of about 4°C, with a 11% chance of rain on a given day.
Oskarshamn weather in summerJune to August
High 21°CLow 14°CRain 13%
Summer in Oskarshamn has typical daily highs of about 21°C and lows of about 14°C, with a 13% chance of rain on a given day.
Oskarshamn weather in autumnSeptember to November
High 11°CLow 7°CRain 22%
Autumn in Oskarshamn has typical daily highs of about 11°C and lows of about 7°C, with a 22% chance of rain on a given day.
When is the rainy season in Oskarshamn?
The rainy (wet) season in Oskarshamn runs from October to January, peaking in November with a 28% chance of rain on a given day. The dry season is February to September; April is the driest month, at 8%.
What time of year is Oskarshamn windiest?
Winds in Oskarshamn are highest in January, averaging 4.1 m/s (15 km/h), and lightest in August, at 2.9 m/s (10 km/h). The prevailing wind is from the SW.
What is the average temperature in Oskarshamn year round?
The average temperature in Oskarshamn over the whole year is 8°C. July is the hottest month, with highs of about 21°C; January is the coldest, with lows of about -0°C.