May weather forecast
Shasta, CA

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Weather in May

The last month of the spring, May, is a warm month in Shasta, California, with an average temperature varying between 74.7°F (23.7°C) and 49.1°F (9.5°C).

Temperature

The shift from April to May brings an increase in the average high-temperature, moving from a refreshing 65.5°F (18.6°C) to a moderately hot 74.7°F (23.7°C). Shasta, amid May nights, sees a noteworthy disparity from daily highs with an average temperature of 49.1°F (9.5°C).

Humidity

The average relative humidity in May is 55%.

Rainfall

In Shasta, in May, it is raining for 8.8 days, with typically 1.42" (36mm) of accumulated precipitation. In Shasta, during the entire year, the rain falls for 92.2 days and collects up to 20.16" (512mm) of precipitation.

Snowfall

In Shasta, snow does not fall in January, April through November.

Daylight

In Shasta, California, the average length of the day in May is 14h and 28min.
On the first day of the month, sunrise is at 6:07 am and sunset at 8:06 pm. On the last day of May, sunrise is at 5:41 am and sunset at 8:34 pm PDT.

Sunshine

In May, the average sunshine in Shasta is 11.1h.

UV index

In Shasta, the average daily maximum UV index in May is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 5 in May interprets into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
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Frequently asked questions

What is the average May temperature in Shasta?

The high-temperature in Shasta during May is 74.7°F (23.7°C) and the low-temperature is 49.1°F (9.5°C).

What is the average humidity in May in Shasta?

The average relative humidity in May in Shasta is 55%.

How much does it rain in Shasta in May?

In Shasta, in May, during 8.8 rainfall days, 1.42" (36mm) of precipitation is typically accumulated.

When it does not snow in Shasta?

In Shasta, California, snow does not fall in January, April through November.

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

In May, the average day length is 14h and 28min.

When are sunrise and sunset in May in Shasta?

In May, on the first day of the month, sunrise is at 6:07 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 5:41 am and sunset at 8:34 pm PDT.

How long on average sun shines in May in Shasta?

In May, the average sunshine duration in Shasta, California, is 11.1h.

How high is the UV index in May in Shasta?

In May, the average daily maximum UV index in Shasta is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
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
Shasta, CA

Average temperature in May - Shasta, CA
  • Average high temperature in May: 74.7°F

The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (50.9°F).

  • Average low temperature in May: 49.1°F

The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is December (36.7°F).

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Average pressure in May
Shasta, CA

Average pressure in May - Shasta, CA
  • Average pressure in May: 29.96"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

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Average wind speed in May
Shasta, CA

Average wind speed in May - Shasta, CA
  • Average wind speed in May: 5mph

The windiest months (with the highest average wind speed) are March and October (5.2mph).
The calmest months (with the lowest average wind speed) are August and November (4.3mph).

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Average humidity in May
Shasta, CA

Average humidity in May - Shasta, CA
  • Average humidity in May: 55%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is August (33%).

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Average rainfall in May
Shasta, CA

Average rainfall in May - Shasta, CA
  • Average rainfall in May: 1.42"

The wettest month (with the highest rainfall) is March (3.94").
The driest month (with the least rainfall) is July (0.08").

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Average rainfall days in May
Shasta, CA

Average rainfall days in May - Shasta, CA
  • Average rainfall days in May: 8.8 days

The month with the highest number of rainy days is March (15.8 days).
The month with the least rainy days is August (1.3 days).

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Average snowfall in May
Shasta, CA

Average snowfall in May - Shasta, CA
  • Average snowfall in May: 0"

The month with the highest snowfall is December (0.31").
The months with the least snowfall are January, April, May, June, July, August, September, October and November (0").

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Average snowfall days in May
Shasta, CA

Average snowfall days in May - Shasta, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, September and October (0 days).

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Average daylight in May /
Average sunshine in May
Shasta, CA

Average daylight in May / Average sunshine in May - Shasta, CA
  • Average daylight in May: 14h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in May: 11h and 1min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

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Average sunshine days in May
Shasta, CA

Average sunshine days in May - Shasta, CA
  • Average sunshine days in May: 19.7 days

The month with the most sunshine days is August (27.8 days).
The month with the least sunshine days is March (13.5 days).

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Average UV index in May
Shasta, CA

Average UV index in May - Shasta, CA
  • Average UV index in May: 5

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is February (UV index 2).

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Average cloud cover in May
Shasta, CA

Average cloud cover in May - Shasta, CA
  • Average cloud cover in May: 21

The month with the most cloud cover is March (Cloud cover 42).
The months with the least cloud cover are July and August (Cloud cover 5).

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Average visibility in May
Shasta, CA

Average visibility in May - Shasta, 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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Shasta, California, USA

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