May weather forecast
Dover, ID

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Weather in May

The last month of the spring, May, is a comfortable month in Dover, Idaho, with an average temperature fluctuating between 62.6°F (17°C) and 37.9°F (3.3°C).

Temperature

An increase in the average high-temperature marks May, moving from April's frosty 49.6°F (9.8°C) to a refreshing 62.6°F (17°C). Dover records a consistent low-temperature average of 37.9°F (3.3°C) during May, indicating a significant difference from the daytime heat.

Humidity

In Dover, Idaho, the average relative humidity in May is 68%.

Rainfall

In Dover, in May, it is raining for 14.4 days, with typically 1.97" (50mm) of accumulated precipitation. Throughout the year, there are 151 rainfall days, and 23.98" (609mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, September through December. May is the last month it regularly snows. During 0.3 snowfall days, in May, Dover aggregates 0.08" (2mm) of snow. Throughout the year, there are 80.7 snowfall days, and 61.3" (1557mm) of snow is accumulated.

Daylight

The average length of the day in May is 15h and 14min.
On the first day of May, sunrise is at 5:25 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 4:50 am and sunset at 8:38 pm PDT.

Sunshine

In May, the average sunshine is 9.8h.

UV index

In Dover, the average daily maximum UV index in May is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 4 in May converts into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Updated: Jul 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in May?

In Dover, 62.6°F (17°C) is the average high-temperature and 37.9°F (3.3°C) is the average low-temperature during May.

What is the average humidity in May?

In Dover, the average relative humidity in May is 68%.

How many days does it rain in May?

In May, the rain falls for 14.4 days. Throughout May, 1.97" (50mm) of precipitation is accumulated.

What is the last month it snows?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Dover aggregates 0.08" (2mm) of snow.

What is the average length of the day in May?

In Dover, the average day length in May is 15h and 14min.

When are sunrise and sunset in May?

In May, on the first day of the month, sunrise is at 5:25 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 4:50 am and sunset at 8:38 pm PDT.

How many hours of sunshine does Dover have in May?

In Dover, the average sunshine duration in May is 9.8h.

How high is the UV index in May?

In May, the average daily maximum UV index is 4. A UV Index value 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
Dover, ID

Average temperature in May - Dover, ID
  • Average high temperature in May: 62.6°F

The warmest month (with the highest average high temperature) is August (79.9°F).
The month with the lowest average high temperature is December (28.9°F).

  • Average low temperature in May: 37.9°F

The month with the highest average low temperature is August (48.6°F).
The coldest month (with the lowest average low temperature) is December (18.5°F).

Average pressure in May
Dover, ID

Average pressure in May - Dover, ID
  • Average pressure in May: 29.95"Hg

The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

Average wind speed in May
Dover, ID

Average wind speed in May - Dover, ID
  • Average wind speed in May: 4.3mph

The windiest month (with the highest average wind speed) is April (4.5mph).
The calmest month (with the lowest average wind speed) is December (3.4mph).

Average humidity in May
Dover, ID

Average humidity in May - Dover, ID
  • Average humidity in May: 68%

The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (53%).

Average rainfall in May
Dover, ID

Average rainfall in May - Dover, ID
  • Average rainfall in May: 1.97"

The wettest month (with the highest rainfall) is January (3.35").
The driest month (with the least rainfall) is August (0.43").

Average rainfall days in May
Dover, ID

Average rainfall days in May - Dover, ID
  • Average rainfall days in May: 14.4 days

The month with the highest number of rainy days is March (18.8 days).
The month with the least rainy days is August (6.3 days).

Average snowfall in May
Dover, ID

Average snowfall in May - Dover, ID
  • Average snowfall in May: 0.08"

The month with the highest snowfall is January (17.28").
The months with the least snowfall are June, July and August (0").

Average snowfall days in May
Dover, ID

Average snowfall days in May - Dover, ID
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is December (18.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in May / Average sunshine in May - Dover, ID
  • Average daylight in May: 15h and 1min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in May: 9h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

Average sunshine days in May
Dover, ID

Average sunshine days in May - Dover, ID
  • Average sunshine days in May: 13.9 days

The months with the most sunshine days are July and August (21.4 days).
The month with the least sunshine days is March (7.9 days).

Average UV index in May
Dover, ID

Average UV index in May - Dover, 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 February, November and December (UV index 1).

Average cloud cover in May
Dover, ID

Average cloud cover in May - Dover, ID
  • Average cloud cover in May: 36

The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 14).

Average visibility in May
Dover, ID

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

The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January and February (3mi).

Dover, Idaho, USA

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