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Lewiston weather by month
Check out Lewiston weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Lewiston (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | 3 |
7 |
11 |
16 |
21 |
26 |
31 |
31 |
25 |
17 |
8 |
4 |
Min temperature (night-time) | -3 |
-1 |
1 |
3 |
7 |
11 |
13 |
13 |
9 |
4 |
0 |
-3 |
Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
M |
M |
0 |
0 |
0 |
0 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Lewiston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daily hours of sunshine | ||||||||||||
Daily hours of daylight | 9 |
10 |
12 |
14 |
15 |
16 |
15 |
14 |
12 |
11 |
9 |
9 |
UV Index (Maximum) | 1 |
2 |
3 |
5 |
7 |
8 |
8 |
7 |
5 |
3 |
1 |
1 |
Rainfall in Lewiston
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 11 |
10 |
11 |
10 |
9 |
8 |
5 |
5 |
6 |
7 |
11 |
12 |
Average monthly rainfall (mm) | 41 |
29 |
34 |
33 |
37 |
35 |
17 |
21 |
21 |
29 |
39 |
40 |
More about Lewiston
Lewiston by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Idaho
The climate guide for Idaho (Lewiston) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Lewiston?
Lewiston has a cool semi arid climate with hot summers.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
Compare Lewiston with the UK
Below the Lewiston chart shows average maximum daytime temperature for Lewiston, Idaho, USA and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Lewiston weather >>
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