May weather forecast
Walnut Grove, CA

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Weather in May

May, the last month of the spring in Walnut Grove, is a moderately hot month, with an average temperature ranging between max 76.6°F (24.8°C) and min 51.1°F (10.6°C).

Temperature

The onset of May brings a minor temperature shift, with the average high-temperature moving from a pleasant 69.6°F (20.9°C) in April to a warm 76.6°F (24.8°C). Walnut Grove reports a substantial plunge from daytime highs during the nights of May, with an average low-temperature of 51.1°F (10.6°C).

Humidity

The average relative humidity in May is 59%.

Rainfall

In May, in Walnut Grove, the rain falls for 4.7 days. Throughout May, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Walnut Grove, there are 68.7 rainfall days, and 11.18" (284mm) of precipitation is accumulated.

Daylight

In Walnut Grove, the average length of the day in May is 14h and 16min.
On the first day of May, sunrise is at 6:08 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:23 pm PDT.

Sunshine

The average sunshine in May in Walnut Grove is 11.2h.

UV index

The average daily maximum UV index in May in Walnut Grove is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in May converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Opt for tightly woven and loose clothing to enhance protection from the Sun.

Frequently asked questions

What are the temperatures in Walnut Grove in May?

The average high-temperature, in May, in Walnut Grove, is 76.6°F (24.8°C), while the average low-temperature is 51.1°F (10.6°C).

What is the average humidity in May in Walnut Grove?

The average relative humidity in May in Walnut Grove, California, is 59%.

How many days does it rain in May in Walnut Grove?

In Walnut Grove, during May, the rain falls for 4.7 days and regularly aggregates up to 0.51" (13mm) of precipitation.

What is the average length of the day in May in Walnut Grove?

In May, the average day length in Walnut Grove is 14h and 16min.

What time are sunrise and sunset in May in Walnut Grove?

On the first day of May in Walnut Grove, California, sunrise is at 6:08 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 5:44 am and sunset at 8:23 pm PDT.

How many hours of sunshine does Walnut Grove have in May?

In Walnut Grove, California, the average sunshine duration in May is 11.2h.

What is the UV index intensity in May in Walnut Grove?

The average daily maximum UV index in May in Walnut Grove is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Walnut Grove, CA

Average temperature in May - Walnut Grove, CA
  • Average high temperature in May: 76.6°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (55°F).

  • Average low temperature in May: 51.1°F

The month with the highest average low temperature is September (58.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average pressure in May
Walnut Grove, CA

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

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in May
Walnut Grove, CA

Average wind speed in May - Walnut Grove, CA
  • Average wind speed in May: 7.3mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).

Average humidity in May
Walnut Grove, CA

Average humidity in May - Walnut Grove, CA
  • Average humidity in May: 59%

The months with the highest relative humidity are January and March (74%).
The month with the lowest relative humidity is September (49%).

Average rainfall in May
Walnut Grove, CA

Average rainfall in May - Walnut Grove, CA
  • Average rainfall in May: 0.51"

The wettest month (with the highest rainfall) is February (2.17").
The driest month (with the least rainfall) is August (0").

Average rainfall days in May
Walnut Grove, CA

Average rainfall days in May - Walnut Grove, CA
  • Average rainfall days in May: 4.7 days

The month with the highest number of rainy days is March (13 days).
The month with the least rainy days is August (0.7 days).

Average daylight in May /
Average sunshine in May
Walnut Grove, CA

Average daylight in May / Average sunshine in May - Walnut Grove, CA
  • Average daylight in May: 14h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • 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 54min).

Average sunshine days in May
Walnut Grove, CA

Average sunshine days in May - Walnut Grove, CA
  • Average sunshine days in May: 25.8 days

The month with the most sunshine days is August (29.9 days).
The month with the least sunshine days is March (17.3 days).

Average UV index in May
Walnut Grove, CA

Average UV index in May - Walnut Grove, CA
  • Average UV index in May: 5

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in May
Walnut Grove, CA

Average cloud cover in May - Walnut Grove, CA
  • Average cloud cover in May: 19

The months with the most cloud cover are March and December (Cloud cover 35).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in May
Walnut Grove, CA

Average visibility in May - Walnut Grove, 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).

Walnut Grove, California, USA

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