May weather forecast
Fort Irwin, CA

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Weather in May

May, the last month of the spring in Fort Irwin, is also a moderately hot month, with an average temperature fluctuating between 81.3°F (27.4°C) and 58.5°F (14.7°C).

Temperature

The start of May is characterized by a subtle increase in the average high-temperature, transitioning from 73.8°F (23.2°C) in April to a still warm 81.3°F (27.4°C). With a significant temperature contrast, nighttime temperatures in Fort Irwin hover around an average low of 58.5°F (14.7°C) in May.

Humidity

In May, the average relative humidity in Fort Irwin is 29%.

Rainfall

In Fort Irwin, California, in May, during 2 rainfall days, 0.08" (2mm) of precipitation is typically accumulated. In Fort Irwin, during the entire year, the rain falls for 39 days and collects up to 3.27" (83mm) of precipitation.

Snowfall

In Fort Irwin, snow does not fall in February through December.

Daylight

In Fort Irwin, the average length of the day in May is 14h and 2min.
On the first day of the month, sunrise is at 5:54 am and sunset at 7:33 pm. On the last day of May, sunrise is at 5:33 am and sunset at 7:55 pm PDT.

Sunshine

In Fort Irwin, the average sunshine in May is 12h.

UV index

In Fort Irwin, the average daily maximum UV index in May is 6. A UV Index estimate of 6 to 7 represents a high threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The average daily UV index of 6 in May transforms into the following instructions:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
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Frequently asked questions

What is the usual temperature for Fort Irwin in May?

In Fort Irwin, in May, the average high-temperature is 81.3°F (27.4°C), and the average low-temperature is 58.5°F (14.7°C).

What is the average humidity in May in Fort Irwin?

In Fort Irwin, California, the average relative humidity in May is 29%.

How much does it rain in Fort Irwin in May?

In Fort Irwin, California, during May, the rain falls for 2 days and regularly aggregates up to 0.08" (2mm) of precipitation.

When it does not snow in Fort Irwin?

February through December are months without snowfall.

How many hours of daylight does Fort Irwin have in May?

In May, the average day length in Fort Irwin is 14h and 2min.

When is the sunrise / sunset in May in Fort Irwin?

On the first day of May, sunrise is at 5:54 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 5:33 am and sunset at 7:55 pm PDT.

How long on average sun shines in May in Fort Irwin?

In Fort Irwin, the average sunshine duration in May is 12h.

How high is the UV index in May in Fort Irwin?

In Fort Irwin, the average daily maximum UV index in May is 6. A UV Index of 6 to 7 symbolizes a high health risk 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
Fort Irwin, CA

Average temperature in May - Fort Irwin, CA
  • Average high temperature in May: 81.3°F

The warmest month (with the highest average high temperature) is July (98.2°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in May: 58.5°F

The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).

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Average pressure in May
Fort Irwin, CA

Average pressure in May - Fort Irwin, CA
  • Average pressure in May: 29.84"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).

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Average wind speed in May
Fort Irwin, CA

Average wind speed in May - Fort Irwin, CA
  • Average wind speed in May: 11.7mph

The windiest month (with the highest average wind speed) is May (11.7mph).
The calmest month (with the lowest average wind speed) is January (6mph).

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Average humidity in May
Fort Irwin, CA

Average humidity in May - Fort Irwin, CA
  • Average humidity in May: 29%

The month with the highest relative humidity is December (47%).
The month with the lowest relative humidity is August (21%).

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Average rainfall in May
Fort Irwin, CA

Average rainfall in May - Fort Irwin, CA
  • Average rainfall in May: 0.08"

The wettest month (with the highest rainfall) is December (0.51").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in May
Fort Irwin, CA

Average rainfall days in May - Fort Irwin, CA
  • Average rainfall days in May: 2 days

The month with the highest number of rainy days is December (4.6 days).
The month with the least rainy days is June (0.6 days).

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Average snowfall in May
Fort Irwin, CA

Average snowfall in May - Fort Irwin, CA
  • Average snowfall in May: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Fort Irwin, CA

Average snowfall days in May - Fort Irwin, CA
  • Average snowfall days in May: 0 days

The months with the highest number of snowfall days are January and December (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in May /
Average sunshine in May
Fort Irwin, CA

Average daylight in May / Average sunshine in May - Fort Irwin, CA
  • Average daylight in May: 14h and 0min

The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).

  • Average sunshine in May: 12h and 0min

The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).

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Average sunshine days in May
Fort Irwin, CA

Average sunshine days in May - Fort Irwin, CA
  • Average sunshine days in May: 28 days

The month with the most sunshine days is June (29 days).
The month with the least sunshine days is February (23.5 days).

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Average UV index in May
Fort Irwin, CA

Average UV index in May - Fort Irwin, CA
  • Average UV index in May: 6

The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are November and December (UV index 3).

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Average cloud cover in May
Fort Irwin, CA

Average cloud cover in May - Fort Irwin, CA
  • Average cloud cover in May: 9

The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 4).

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Average visibility in May
Fort Irwin, CA

Average visibility in May - Fort Irwin, CA
  • 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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Fort Irwin, California, USA

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