May weather forecast
Thatcher, ID

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Weather in May

The last month of the spring, May, is a mild month in Thatcher, Idaho, with an average temperature fluctuating between 34.2°F (1.2°C) and 57.7°F (14.3°C).

Temperature

As May arrives, Thatcher's weather shows an increase in high-temperatures, moving from April's frosty 45.3°F (7.4°C) to a moderate 57.7°F (14.3°C). May nights in Thatcher show a substantial disparity from the daytime peak with an average low-temperature of 34.2°F (1.2°C).

Humidity

The average relative humidity in May is 65%.

Rainfall

The month with the most rainfall in Thatcher, Idaho, is May, when the rain falls for 14.9 days and typically aggregates up to 1.97" (50mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Thatcher, Idaho. In May, in Thatcher, it is snowing for 2.5 days. Throughout May, 1.73" (44mm) of snow is accumulated. In Thatcher, during the entire year, snow falls for 106.2 days and aggregates up to 69.33" (1761mm) of snow.

Daylight

In Thatcher, the average length of the day in May is 14h and 37min.
On the first day of May, sunrise is at 6:20 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:57 pm MDT.

Sunshine

In May, the average sunshine in Thatcher is 10.4h.

UV index

The average daily maximum UV index in May in Thatcher, Idaho, is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: In May, the UV index of 4 transforms into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are May temperatures in Thatcher?

During May, Thatcher experiences an average high-temperature of 57.7°F (14.3°C) and a low-temperature of 34.2°F (1.2°C).

What is the average humidity in May in Thatcher?

In Thatcher, Idaho, the average relative humidity in May is 65%.

What is the rainiest month in Thatcher?

May is the month with the most rainfall. Rain falls for 14.9 days and accumulates 1.97" (50mm) of precipitation.

How many days does it rain in May in Thatcher?

In Thatcher, in May, during 14.9 rainfall days, 1.97" (50mm) of precipitation is typically accumulated.

How many days does it snow in May in Thatcher?

In Thatcher, in May, during 2.5 snowfall days, 1.73" (44mm) of snow is typically accumulated.

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

The average day length in May in Thatcher is 14h and 37min.

What time are sunrise and sunset in May in Thatcher?

On the first day of May, sunrise is at 6:20 am and sunset at 8:27 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 8:57 pm MDT.

How many hours of sunshine does Thatcher have in May?

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

How high is the UV index in May in Thatcher?

In Thatcher, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Thatcher, ID

Average temperature in May - Thatcher, ID
  • Average high temperature in May: 57.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is December (25.7°F).

  • Average low temperature in May: 34.2°F

The month with the highest average low temperature is August (49.6°F).
The coldest month (with the lowest average low temperature) is January (10.2°F).

Average pressure in May
Thatcher, ID

Average pressure in May - Thatcher, 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 (29.9"Hg).

Average wind speed in May
Thatcher, ID

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

The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).

Average humidity in May
Thatcher, ID

Average humidity in May - Thatcher, ID
  • Average humidity in May: 65%

The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is August (42%).

Average rainfall in May
Thatcher, ID

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

The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is July (0.55").

Average rainfall days in May
Thatcher, ID

Average rainfall days in May - Thatcher, ID
  • Average rainfall days in May: 14.9 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is January (4.3 days).

Average snowfall in May
Thatcher, ID

Average snowfall in May - Thatcher, ID
  • Average snowfall in May: 1.73"

The month with the highest snowfall is January (14.41").
The months with the least snowfall are July and August (0").

Average snowfall days in May
Thatcher, ID

Average snowfall days in May - Thatcher, ID
  • Average snowfall days in May: 2.5 days

The months with the highest number of snowfall days are February and December (19.9 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in May / Average sunshine in May - Thatcher, 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 6min).

  • Average sunshine in May: 10h and 2min

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in May
Thatcher, ID

Average sunshine days in May - Thatcher, ID
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is July (19.1 days).
The month with the least sunshine days is February (8.6 days).

Average UV index in May
Thatcher, ID

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

Average cloud cover in May
Thatcher, ID

Average cloud cover in May - Thatcher, ID
  • Average cloud cover in May: 30

The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are July and August (Cloud cover 12).

Average visibility in May
Thatcher, ID

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

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

Thatcher, Idaho, USA

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