Annual mean 11°C · wettest around July · prevailing wind SW
Warmest
27.8 °C
Coldest
-4.2 °C
Wettest
67%
Windiest
6.6 m/s
Prevailing
SW
5.0 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Oskaloosa over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -7°C. Oskaloosa has no sharply defined rainy season: the chance of rain on a given day runs from 56% in February, the driest month, to 62% in July, the wettest. Winds in Oskaloosa are highest in April, averaging 5.1 m/s (18 km/h), and lightest in August, at 2.6 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Oskaloosa come in June, when the sky is typically 24% covered; January is the cloudiest month, at 52%.
Month by month Oskaloosa 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
-3°C
-7°C
-9°C
56%
52%
4.4 m/s
0
0
2
February
1°C
-5°C
-6°C
56%
41%
4.5 m/s
1
0
11
March
8°C
1°C
2°C
60%
47%
4.9 m/s
4
0
24
April
14°C
6°C
8°C
61%
41%
5.1 m/s
22
1
48
May
21°C
13°C
18°C
61%
39%
4.0 m/s
57
14
61
June
27°C
19°C
26°C
61%
24%
3.5 m/s
52
53
25
July
28°C
20°C
29°C
62%
24%
2.7 m/s
36
62
10
August
27°C
18°C
27°C
60%
27%
2.6 m/s
50
54
21
September
25°C
15°C
23°C
59%
28%
3.0 m/s
60
41
40
October
16°C
8°C
12°C
57%
37%
3.8 m/s
36
5
57
November
8°C
1°C
2°C
58%
38%
4.3 m/s
8
0
29
December
2°C
-3°C
-4°C
60%
44%
4.3 m/s
0
0
9
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 Oskaloosa weather by season
Year round, Oskaloosa has days of about -3°C at their warmest in January, its coolest month, and 28°C in July, its warmest; the coolest hours of the day run from -7°C to 20°C through the year, and the average temperature over the year is 11°C around the clock. Rain is most likely around July and least likely around February. 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.
Oskaloosa weather in winterDecember to February
High -0°CLow -5°CRain 57%
Winter in Oskaloosa has typical daily highs of about -0°C and lows of about -5°C, with a 57% chance of rain on a given day.
Oskaloosa weather in springMarch to May
High 14°CLow 7°CRain 61%
Spring in Oskaloosa has typical daily highs of about 14°C and lows of about 7°C, with a 61% chance of rain on a given day.
Oskaloosa weather in summerJune to August
High 27°CLow 19°CRain 61%
Summer in Oskaloosa has typical daily highs of about 27°C and lows of about 19°C, with a 61% chance of rain on a given day.
Oskaloosa weather in autumnSeptember to November
High 16°CLow 8°CRain 58%
Autumn in Oskaloosa has typical daily highs of about 16°C and lows of about 8°C, with a 58% chance of rain on a given day.
When is the rainy season in Oskaloosa?
Oskaloosa has no sharply defined rainy season: the chance of rain on a given day runs from 56% in February, the driest month, to 62% in July, the wettest.
What time of year is Oskaloosa windiest?
Winds in Oskaloosa are highest in April, averaging 5.1 m/s (18 km/h), and lightest in August, at 2.6 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Oskaloosa year round?
The average temperature in Oskaloosa over the whole year is 11°C. July is the hottest month, with highs of about 28°C; January is the coldest, with lows of about -7°C.