May weather forecast and climate
Opheim, MT

Weather in May

The last month of the spring, May, is a comfortable month in Opheim, Montana, with average temperature ranging between min 46.9°F (8.3°C) and max 64.6°F (18.1°C).

Temperature

In Opheim, the average high-temperature increases, from a cool 52.2°F (11.2°C) in April, to an enjoyable 64.6°F (18.1°C). In Opheim, in May, the average low-temperature is 46.9°F (8.3°C).

Humidity

In May, the average relative humidity in Opheim is 52%.

Rainfall

In May, the rain falls for 13.8 days. Throughout May, 1.85" (47mm) of precipitation is accumulated. In Opheim, during the entire year, the rain falls for 90.8 days and collects up to 11.1" (282mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. May is the last month it regularly snows in Opheim. During 0.4 snowfall days, in May, Opheim aggregates 0.31" (8mm) of snow. Throughout the year, there are 43.8 snowfall days, and 13.11" (333mm) of snow is accumulated.

Daylight

The average length of the day in Opheim is 15.3h.

Sunshine

The average sunshine in May is 10.3h.

UV index

In May, the average daily maximum UV index in Opheim is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV radiation for the ordinary person.
Note: In May, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Opheim?

The average relative humidity in May in Opheim is 52%.

How many days does it rain in May in Opheim?

In Opheim, Montana, in May, during 13.8 rainfall days, 1.85" (47mm) of precipitation is typically accumulated.

What is the last month it snows in Opheim?

May is the last month it regularly snows in Opheim, Montana. During 0.4 snowfall days, in May, Opheim aggregates 0.31" (8mm) of snow.

How many hours of daylight does Opheim have in May?

The average length of the day in May in Opheim is 15.3h.

How long on average sun shines in May in Opheim?

In Opheim, the average sunshine in May is 10.3h.

What is the UV index reading in May in Opheim?

In Opheim, Montana, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from the exposure to the Sun's UV radiation.

Average temperature in May
Opheim, MT

Average temperature in May - Opheim, MT
  • Average high temperature in May: 64.6°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is February (23.7°F).

  • Average low temperature in May: 46.9°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is February (10.2°F).

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Average pressure in May
Opheim, MT

Average pressure in May - Opheim, MT
  • Average pressure in May: 29.92"

The month with the highest atmospheric pressure is February (30.15").
The month with the lowest atmospheric pressure is June (29.83").

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Average wind speed in May
Opheim, MT

Average wind speed in May - Opheim, MT
  • Average wind speed in May: 11mph

The windiest month (with the highest average wind speed) is April (11.7mph).
The calmest month (with the lowest average wind speed) is February (8.8mph).

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Average humidity in May
Opheim, MT

Average humidity in May - Opheim, MT
  • Average humidity in May: 52%

The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (42%).

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Average rainfall in May
Opheim, MT

Average rainfall in May - Opheim, MT
  • Average rainfall in May: 1.85"

The wettest month (with the highest rainfall) is June (2.01").
The driest months (with the least rainfall) are January and February (0.35").

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Average rainfall days in May
Opheim, MT

Average rainfall days in May - Opheim, MT
  • Average rainfall days in May: 13.8 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in May
Opheim, MT

Average snowfall in May - Opheim, MT
  • Average snowfall in May: 0.31"

The month with the highest snowfall is December (2.6").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Opheim, MT

Average snowfall days in May - Opheim, MT
  • Average snowfall days in May: 0.4 days

The month with the highest number of snowfall days is February (9.2 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in May /
Average sunshine in May
Opheim, MT

Average daylight in May / Average sunshine in May - Opheim, MT
  • Average daylight in May: 15.3h

The month with the longest days is June (Average daylight: 16.1h).
The month with the shortest days is December (Average daylight: 8.3h).

  • Average sunshine in May: 10.3h

The month with the most sunshine is July (Average sunshine: 11.8h).
The month with the least sunshine is February (Average sunshine: 4.7h).

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Average sunshine days in May
Opheim, MT

Average sunshine days in May - Opheim, MT
  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (13.8 days).

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Average UV index in May
Opheim, MT

Average UV index in May - Opheim, MT
  • Average UV index in May: 5

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Opheim, MT

Average cloud cover in May - Opheim, MT
  • Average cloud cover in May: 31

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 16).

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Average visibility in May
Opheim, MT

Average visibility in May - Opheim, MT
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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