Annual mean 13°C · wettest around March · prevailing wind SW
Warmest
29.0 °C
Coldest
-1.0 °C
Wettest
72%
Windiest
5.5 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
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 Hannibal over the whole year is 13°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -4°C. Hannibal has no sharply defined rainy season: the chance of rain on a given day runs from 66% in January, the driest month, to 69% in March, the wettest. Winds in Hannibal are highest in March, averaging 4.2 m/s (15 km/h), and lightest in July, at 2.2 m/s (8 km/h). The prevailing wind is from the SW. The clearest skies in Hannibal come in June, when the sky is typically 22% covered; January is the cloudiest month, at 49%.
Month by month Hannibal 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
-4°C
-6°C
66%
49%
3.8 m/s
0
0
5
February
4°C
-2°C
-2°C
66%
40%
3.9 m/s
4
0
18
March
10°C
4°C
5°C
69%
43%
4.2 m/s
10
0
35
April
15°C
8°C
11°C
69%
37%
4.2 m/s
31
2
56
May
22°C
15°C
19°C
69%
38%
3.2 m/s
58
22
55
June
28°C
20°C
28°C
68%
22%
2.8 m/s
44
57
19
July
29°C
22°C
30°C
69%
27%
2.2 m/s
25
60
6
August
28°C
20°C
29°C
66%
28%
2.2 m/s
41
58
14
September
26°C
16°C
25°C
66%
23%
2.4 m/s
57
48
34
October
18°C
10°C
14°C
68%
35%
3.2 m/s
43
11
58
November
10°C
3°C
5°C
67%
33%
3.5 m/s
12
0
38
December
4°C
-0°C
-1°C
67%
42%
3.7 m/s
1
0
15
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 Hannibal weather by season
Year round, Hannibal has days of about 0°C at their warmest in January, its coolest month, and 29°C in July, its warmest; the coolest hours of the day run from -4°C to 22°C through the year, and the average temperature over the year is 13°C around the clock. Rain is most likely around March and least likely around January. 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.
Hannibal weather in winterDecember to February
High 3°CLow -2°CRain 66%
Winter in Hannibal has typical daily highs of about 3°C and lows of about -2°C, with a 66% chance of rain on a given day.
Hannibal weather in springMarch to May
High 16°CLow 9°CRain 69%
Spring in Hannibal has typical daily highs of about 16°C and lows of about 9°C, with a 69% chance of rain on a given day.
Hannibal weather in summerJune to August
High 28°CLow 21°CRain 68%
Summer in Hannibal has typical daily highs of about 28°C and lows of about 21°C, with a 68% chance of rain on a given day.
Hannibal weather in autumnSeptember to November
High 18°CLow 10°CRain 67%
Autumn in Hannibal has typical daily highs of about 18°C and lows of about 10°C, with a 67% chance of rain on a given day.
When is the rainy season in Hannibal?
Hannibal has no sharply defined rainy season: the chance of rain on a given day runs from 66% in January, the driest month, to 69% in March, the wettest.
What time of year is Hannibal windiest?
Winds in Hannibal are highest in March, averaging 4.2 m/s (15 km/h), and lightest in July, at 2.2 m/s (8 km/h). The prevailing wind is from the SW.
What is the average temperature in Hannibal year round?
The average temperature in Hannibal over the whole year is 13°C. July is the hottest month, with highs of about 29°C; January is the coldest, with lows of about -4°C.