May weather forecast
Geraldine, MT

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Weather in May

May, the last month of the spring in Geraldine, is a refreshing month, with an average temperature fluctuating between 44.2°F (6.8°C) and 63°F (17.2°C).

Temperature

A rise in the average high-temperature is observed during May, moving from a fresh 53.2°F (11.8°C) in April to a comfortable 63°F (17.2°C). In May, Geraldine's temperature tends to fall to an average low of 44.2°F (6.8°C) during the night.

Humidity

In May, the average relative humidity is 57%.

Rainfall

In Geraldine, in May, during 15.6 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Geraldine, during the entire year, the rain falls for 119.1 days and collects up to 13.43" (341mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall in Geraldine. May is the last month it regularly snows. During 0.4 snowfall days, in May, Geraldine aggregates 0.2" (5mm) of snow. Throughout the year, in Geraldine, there are 58.3 snowfall days, and 29.37" (746mm) of snow is accumulated.

Daylight

The average length of the day in May is 15h and 10min.
On the first day of the month, sunrise is at 6:02 am and sunset at 8:33 pm. On the last day of May, in Geraldine, sunrise is at 5:27 am and sunset at 9:10 pm MDT.

Sunshine

In Geraldine, Montana, the average sunshine in May is 10.4h.

UV index

The average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
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Frequently asked questions

What is the temperature in May in Geraldine?

In May, in Geraldine, the average high-temperature is 63°F (17.2°C), and the average low-temperature is 44.2°F (6.8°C).

What is the average humidity in May in Geraldine?

The average relative humidity in May is 57%.

How much does it rain in Geraldine in May?

In May, in Geraldine, the rain falls for 15.6 days. Throughout May, 2.01" (51mm) of precipitation is accumulated.

What is the last month it snows in Geraldine?

May is the last month it regularly snows in Geraldine. During 0.4 snowfall days, in May, Geraldine aggregates 0.2" (5mm) of snow.

How many hours of daylight does Geraldine have in May?

In Geraldine, Montana, the average day length in May is 15h and 10min.

What time are sunrise and sunset in May in Geraldine?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 8:33 pm. On the last day of the month, in Geraldine, sunrise is at 5:27 am and sunset at 9:10 pm MDT.

How long on average sun shines in May in Geraldine?

In May, the average sunshine duration in Geraldine is 10.4h.

What is the UV index intensity in May in Geraldine?

The average daily maximum UV index in May in Geraldine, Montana, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from 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
Geraldine, MT

Average temperature in May - Geraldine, MT
  • Average high temperature in May: 63°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (29.8°F).

  • Average low temperature in May: 44.2°F

The month with the highest average low temperature is August (60.4°F).
The coldest month (with the lowest average low temperature) is February (18.1°F).

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Average pressure in May
Geraldine, MT

Average pressure in May - Geraldine, MT
  • Average pressure in May: 29.93"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in May
Geraldine, MT

Average wind speed in May - Geraldine, MT
  • Average wind speed in May: 9.3mph

The windiest months (with the highest average wind speed) are January and November (10.7mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).

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Average humidity in May
Geraldine, MT

Average humidity in May - Geraldine, MT
  • Average humidity in May: 57%

The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (39%).

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Average rainfall in May
Geraldine, MT

Average rainfall in May - Geraldine, MT
  • Average rainfall in May: 2.01"

The wettest month (with the highest rainfall) is June (2.05").
The driest month (with the least rainfall) is December (0.67").

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Average rainfall days in May
Geraldine, MT

Average rainfall days in May - Geraldine, MT
  • Average rainfall days in May: 15.6 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (5.3 days).

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Average snowfall in May
Geraldine, MT

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

The month with the highest snowfall is February (5.51").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in May
Geraldine, MT

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

The month with the highest number of snowfall days is February (12.2 days).
The 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
Geraldine, MT

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 30min).

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Average sunshine days in May
Geraldine, MT

Average sunshine days in May - Geraldine, MT
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (11.2 days).

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Average UV index in May
Geraldine, MT

Average UV index in May - Geraldine, MT
  • Average UV index in May: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in May
Geraldine, MT

Average cloud cover in May - Geraldine, MT
  • Average cloud cover in May: 33

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 14).

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Average visibility in May
Geraldine, MT

Average visibility in May - Geraldine, 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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Geraldine, Montana, USA

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