May weather forecast
Weston, ID

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Weather in May

May, the last month of the spring in Weston, is an enjoyable month, with an average temperature varying between 61.2°F (16.2°C) and 37°F (2.8°C).

Temperature

Entering May, Weston sees a temperature rise, with the average high-temperature advancing from April's frosty 49.8°F (9.9°C) to a refreshing 61.2°F (16.2°C). The nighttime temperature in Weston during May displays a significant divergence from daily peaks, averaging at a cold 37°F (2.8°C).

Humidity

In May, the average relative humidity is 60%.

Rainfall

In Weston, in May, during 16.5 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Weston, during the entire year, the rain falls for 127.4 days and collects up to 18.27" (464mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows in Weston. During 0.6 snowfall days, in May, Weston aggregates 0.39" (10mm) of snow. Throughout the year, in Weston, there are 83.8 snowfall days, and 60.12" (1527mm) of snow is accumulated.

Daylight

In Weston, the average length of the day in May is 14h and 35min.
On the first day of May in Weston, sunrise is at 6:22 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:56 pm MDT.

Sunshine

The average sunshine in May is 10.7h.

UV index

In May, the average daily maximum UV index in Weston is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index of 4 during May translates into the following directions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Weston in May?

In Weston, in May, the average high-temperature is 61.2°F (16.2°C), and the average low-temperature is 37°F (2.8°C).

What is the average humidity in May in Weston?

The average relative humidity in May is 60%.

How many days does it rain in May in Weston?

In Weston, in May, it is raining for 16.5 days, with typically 2.17" (55mm) of accumulated precipitation.

What is the last month it snows in Weston?

May is the last month it regularly snows in Weston, Idaho. During 0.6 snowfall days, in May, Weston aggregates 0.39" (10mm) of snow.

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

In May, the average day length is 14h and 35min.

What time are sunrise and sunset in May in Weston?

In May, on the first day of the month, sunrise is at 6:22 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:56 pm MDT.

How long on average sun shines in May in Weston?

The average sunshine duration in May is 10.7h.

How high is the UV index in May in Weston?

In Weston, the average daily maximum UV index in May is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Weston, ID

Average temperature in May - Weston, ID
  • Average high temperature in May: 61.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is December (28.8°F).

  • Average low temperature in May: 37°F

The month with the highest average low temperature is July (53.8°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).

Average pressure in May
Weston, ID

Average pressure in May - Weston, ID
  • Average pressure in May: 29.91"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

Average wind speed in May
Weston, ID

Average wind speed in May - Weston, ID
  • Average wind speed in May: 5.5mph

The windiest month (with the highest average wind speed) is April (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

Average humidity in May
Weston, ID

Average humidity in May - Weston, ID
  • Average humidity in May: 60%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).

Average rainfall in May
Weston, ID

Average rainfall in May - Weston, ID
  • Average rainfall in May: 2.17"

The wettest month (with the highest rainfall) is February (2.24").
The driest month (with the least rainfall) is July (0.35").

Average rainfall days in May
Weston, ID

Average rainfall days in May - Weston, ID
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is April (16.6 days).
The month with the least rainy days is July (5.5 days).

Average snowfall in May
Weston, ID

Average snowfall in May - Weston, ID
  • Average snowfall in May: 0.39"

The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Weston, ID

Average snowfall days in May - Weston, ID
  • Average snowfall days in May: 0.6 days

The months with the highest number of snowfall days are January and February (17.6 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in May /
Average sunshine in May
Weston, ID

Average daylight in May / Average sunshine in May - Weston, ID
  • Average daylight in May: 14h and 4min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in May: 10h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

Average sunshine days in May
Weston, ID

Average sunshine days in May - Weston, ID
  • Average sunshine days in May: 10.1 days

The month with the most sunshine days is July (21.8 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in May
Weston, ID

Average UV index in May - Weston, ID
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

Average cloud cover in May
Weston, ID

Average cloud cover in May - Weston, ID
  • Average cloud cover in May: 27

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 10).

Average visibility in May
Weston, ID

Average visibility in May - Weston, ID
  • Average visibility in May: 6mi

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).

Weston, Idaho, USA

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