May weather forecast
Wibaux, MT

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Weather in May

The last month of the spring, May, is an enjoyable month in Wibaux, Montana, with an average temperature ranging between min 47.1°F (8.4°C) and max 65.3°F (18.5°C).

Temperature

May's arrival brings a change in high-temperatures, moving from a fresh 53.8°F (12.1°C) in April to a refreshing 65.3°F (18.5°C). The average temperature in Wibaux drops to a frosty 47.1°F (8.4°C) during the night in the month of May.

Humidity

In Wibaux, the average relative humidity in May is 56%.

Rainfall

May is the month with the most rainfall. Rain falls for 11.3 days and accumulates 1.73" (44mm) of precipitation.

Snowfall

Months with snowfall in Wibaux are January through May, October through December. May is the last month it regularly snows. During 0.6 snowfall days, in May, Wibaux aggregates 0.2" (5mm) of snow. Throughout the year, there are 45.2 snowfall days, and 10.55" (268mm) of snow is accumulated.

Daylight

The average length of the day in May is 15h and 5min.
On the first day of the month, sunrise is at 5:39 am and sunset at 8:07 pm. On the last day of May, sunrise is at 5:05 am and sunset at 8:43 pm MDT.

Sunshine

In Wibaux, the average sunshine in May is 10h.

UV index

In Wibaux, Montana, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 5 in May leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What is the usual temperature for Wibaux in May?

The high-temperature, in May, in Wibaux, records 65.3°F (18.5°C), while the low-temperature is 47.1°F (8.4°C).

What is the average humidity in May in Wibaux?

In May, the average relative humidity is 56%.

What is the rainiest month in Wibaux?

May is the month with the most rainfall in Wibaux, Montana. Rain falls for 11.3 days and accumulates 1.73" (44mm) of precipitation.

How much does it rain in Wibaux in May?

In Wibaux, in May, it is raining for 11.3 days, with typically 1.73" (44mm) of accumulated precipitation.

What is the last month it snows in Wibaux?

May is the last month it regularly snows in Wibaux. During 0.6 snowfall days, in May, Wibaux aggregates 0.2" (5mm) of snow.

What is the average length of the day in May in Wibaux?

In Wibaux, the average day length in May is 15h and 5min.

When is the sunrise / sunset in May in Wibaux?

In May, on the first day of the month, sunrise is at 5:39 am and sunset at 8:07 pm. On the last day of the month, sunrise is at 5:05 am and sunset at 8:43 pm MDT.

How long on average sun shines in May in Wibaux?

In Wibaux, the average sunshine duration in May is 10h.

How high is the UV index in May in Wibaux?

In Wibaux, the average daily maximum UV index in May is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Wibaux, MT

Average temperature in May - Wibaux, MT
  • Average high temperature in May: 65.3°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (25.9°F).

  • Average low temperature in May: 47.1°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

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Average pressure in May
Wibaux, MT

Average pressure in May - Wibaux, MT
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

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Average wind speed in May
Wibaux, MT

Average wind speed in May - Wibaux, MT
  • Average wind speed in May: 10.5mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

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Average humidity in May
Wibaux, MT

Average humidity in May - Wibaux, MT
  • Average humidity in May: 56%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).

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Average rainfall in May
Wibaux, MT

Average rainfall in May - Wibaux, MT
  • Average rainfall in May: 1.73"

The wettest month (with the highest rainfall) is May (1.73").
The driest months (with the least rainfall) are January, March and November (0.35").

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Average rainfall days in May
Wibaux, MT

Average rainfall days in May - Wibaux, MT
  • Average rainfall days in May: 11.3 days

The month with the highest number of rainy days is June (12.1 days).
The month with the least rainy days is February (3.1 days).

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Average snowfall in May
Wibaux, MT

Average snowfall in May - Wibaux, MT
  • Average snowfall in May: 0.2"

The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in May
Wibaux, MT

Average snowfall days in May - Wibaux, MT
  • Average snowfall days in May: 0.6 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Wibaux, MT
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

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Average sunshine days in May
Wibaux, MT

Average sunshine days in May - Wibaux, MT
  • Average sunshine days in May: 16.8 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (14.9 days).

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Average UV index in May
Wibaux, MT

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

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

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Average cloud cover in May
Wibaux, MT

Average cloud cover in May - Wibaux, MT
  • Average cloud cover in May: 34

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 17).

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Average visibility in May
Wibaux, MT

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

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

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Wibaux, Montana, USA

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