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Helena weather in May 2020
- 1818°C max day temperature
- 1111 days with some rainfall
- 33°C min night temperature
- 1515 hours of daylight per day
- 0No heat & humidity
- 5151 mm of monthly rainfall
- 77 (High) UV index
The May weather guide for Helena, Montana shows long term 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.
How hot is it in Helena in May?
Daytime temperatures usually reach 18°C in Helena in May, falling to 3°C at night.
How sunny is it in Helena in May?
There are normally 9 hours of bright sunshine each day in Helena in May - that's 60% of daylight hours.
Does it rain in Helena in May?
There are usually 11 days with some rain in Helena in May and the average monthly rainfall is 51mm.
Helena sunrise & sunset times for May 2020
Browse the sunrise & sunset times for Helena in May 2020. Select a month to view Helena sunrise & sunset times for the next twelve months.
|Date||Sunrise times||Sunset times|
|Friday, 1st May 2020||06:13||20:39|
|Saturday, 16th May 2020||05:52||20:58|
|Sunday, 31st May 2020||05:39||21:14|
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Metric (°C / mm) | Imperial (°F / inches)
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Where's hot in Montana in May?
Below are average maximum temperatures at popular destinations in Montana in May. Select a destination to see more weather parameters.
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