Which is the hottest month in Lewistown?

The hottest time of year in Lewistown is normally July. Expect maximum daytime temperatures to reach 27°C with low heat and humidity.

Which month has the most rain in Lewistown?

In terms of rainfall, May is usually the wettest month in Lewistown with 82mm on average. There are normally 11 days in May with some rain.

When is it sunniest in Lewistown?

The sunniest time of year in Lewistown is normally July with bright sunshine on average for 78% of daylight hours; that's 12 hours of sunshine per day.

Best time to visit Lewistown

Q: When is the best time to visit Lewistown?

The best time to visit Lewistown is June, July and August based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Lewistown by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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When is the best time to visit Lewistown?

The best time to visit Lewistown is June, July and August based on the following average weather conditions.

Maximum daytime temperature = 72 - 86°F [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

0.5
Jan
1.5
Feb
2
Mar
2.5
Apr
3
May
5
Jun
5
Jul
5
Aug
4
Sep
1.5
Oct
0.5
Nov
0.5
Dec

Change criteria

Max Day Temperature (°F)

30
Jan
36
Feb
41
Mar
54
Apr
63
May
72
Jun
81
Jul
81
Aug
68
Sep
59
Oct
43
Nov
32
Dec

Hours of Sunshine (daily)

4
Jan
6
Feb
8
Mar
9
Apr
10
May
11
Jun
12
Jul
11
Aug
9
Sep
7
Oct
4
Nov
4
Dec

Best time to visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

The weather guide for Montana (Lewistown) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

Metric (°C) | Imperial (°F)