Annual mean 10°C · wettest around May · prevailing wind SW
Warmest
26.3 °C
Coldest
-3.4 °C
Wettest
57%
Windiest
5.8 m/s
Prevailing
SW
4.6 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 Delavan over the whole year is 10°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -6°C. Delavan has no sharply defined rainy season: the chance of rain on a given day runs from 56% in February, the driest month, to 64% in May, the wettest. Winds in Delavan are highest in April, averaging 4.2 m/s (15 km/h), and lightest in August, at 2.5 m/s (9 km/h). The prevailing wind is from the SW. The clearest skies in Delavan come in July, when the sky is typically 38% covered; January is the cloudiest month, at 63%.
Month by month Delavan 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
-6°C
-9°C
57%
63%
3.8 m/s
0
0
1
February
-1°C
-5°C
-7°C
56%
50%
4.0 m/s
1
0
5
March
5°C
-0°C
-0°C
61%
54%
4.1 m/s
2
0
15
April
11°C
4°C
6°C
62%
54%
4.2 m/s
15
0
40
May
18°C
11°C
15°C
64%
50%
3.5 m/s
46
10
62
June
24°C
17°C
23°C
62%
40%
3.2 m/s
62
36
43
July
26°C
19°C
27°C
61%
38%
2.7 m/s
56
55
23
August
25°C
18°C
26°C
62%
40%
2.5 m/s
63
49
29
September
22°C
14°C
21°C
61%
43%
2.9 m/s
66
26
55
October
15°C
8°C
11°C
63%
48%
3.4 m/s
30
3
57
November
7°C
2°C
1°C
60%
51%
3.8 m/s
6
0
22
December
1°C
-3°C
-5°C
58%
58%
3.8 m/s
0
0
5
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 Delavan weather by season
Year round, Delavan has days of about -3°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -6°C to 19°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around May 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.
Delavan weather in winterDecember to February
High -1°CLow -5°CRain 57%
Winter in Delavan has typical daily highs of about -1°C and lows of about -5°C, with a 57% chance of rain on a given day.
Delavan weather in springMarch to May
High 11°CLow 5°CRain 62%
Spring in Delavan has typical daily highs of about 11°C and lows of about 5°C, with a 62% chance of rain on a given day.
Delavan weather in summerJune to August
High 25°CLow 18°CRain 62%
Summer in Delavan has typical daily highs of about 25°C and lows of about 18°C, with a 62% chance of rain on a given day.
Delavan weather in autumnSeptember to November
High 15°CLow 8°CRain 61%
Autumn in Delavan has typical daily highs of about 15°C and lows of about 8°C, with a 61% chance of rain on a given day.
When is the rainy season in Delavan?
Delavan has no sharply defined rainy season: the chance of rain on a given day runs from 56% in February, the driest month, to 64% in May, the wettest.
What time of year is Delavan windiest?
Winds in Delavan are highest in April, averaging 4.2 m/s (15 km/h), and lightest in August, at 2.5 m/s (9 km/h). The prevailing wind is from the SW.
What is the average temperature in Delavan year round?
The average temperature in Delavan over the whole year is 10°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -6°C.