May weather forecast and climate
Gridley, CA

Weather in May

The last month of the spring, May, is a warm month in Gridley, California, with average temperature ranging between min 53.6°F (12°C) and max 78.4°F (25.8°C).

Temperature

In May, the average high-temperature marginally rises, from a pleasant 69.8°F (21°C) in April, to a moderately hot 78.4°F (25.8°C). In Gridley, in May, the average low-temperature is 53.6°F (12°C).

Humidity

In May, the average relative humidity in Gridley, California, is 53%.

Rainfall

In May, the rain falls for 6 days. Throughout May, 1.14" (29mm) of precipitation is accumulated. Throughout the year, in Gridley, there are 81.5 rainfall days, and 21.34" (542mm) of precipitation is accumulated.

Snowfall

In Gridley snow does not fall in March through December.

Daylight

In May, the average length of the day in Gridley, California, is 14.4h.

Sunshine

In Gridley, California, the average sunshine is 11.2h.

UV index

The average daily maximum UV index in Gridley is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 5 in May interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in May in Gridley?

The average high-temperature, in May, is 78.4°F (25.8°C), while the average low-temperature is 53.6°F (12°C).

What is the average humidity in May in Gridley?

In May, the average relative humidity in Gridley is 53%.

How many days does it rain in May in Gridley?

In Gridley, California, in May, it is raining for 6 days, with typically 1.14" (29mm) of accumulated precipitation.

When it does not snow in Gridley?

In Gridley snow does not fall in March through December.

How many hours of daylight does Gridley have in May?

In May, the average length of the day in Gridley, California, is 14.4h.

How long on average sun shines in May in Gridley?

In May, the average sunshine is 11.2h.

What is the UV index intensity in May in Gridley?

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

Average temperature in May
Gridley, CA

Average temperature in May - Gridley, CA
  • Average high temperature in May: 78.4°F

The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in May: 53.6°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is December (41°F).

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Average pressure in May
Gridley, CA

Average pressure in May - Gridley, CA
  • Average pressure in May: 29.95"

The month with the highest atmospheric pressure is January (30.16").
The month with the lowest atmospheric pressure is June (29.9").

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Average wind speed in May
Gridley, CA

Average wind speed in May - Gridley, CA
  • Average wind speed in May: 6mph

The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).

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Average humidity in May
Gridley, CA

Average humidity in May - Gridley, CA
  • Average humidity in May: 53%

The month with the highest relative humidity is March (72%).
The month with the lowest relative humidity is July (35%).

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Average rainfall in May
Gridley, CA

Average rainfall in May - Gridley, CA
  • Average rainfall in May: 1.14"

The wettest months (with the highest rainfall) are February and March (3.98").
The driest month (with the least rainfall) is July (0.04").

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Average rainfall days in May
Gridley, CA

Average rainfall days in May - Gridley, CA
  • Average rainfall days in May: 6 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is July (1.4 days).

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Average snowfall in May
Gridley, CA

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

The month with the highest snowfall is January (0.4").
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in May
Gridley, CA

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

The month with the highest number of snowfall days is December (0.1 days).
Months with the least snowfall days are January, 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
Gridley, CA

Average daylight in May / Average sunshine in May - Gridley, CA
  • Average daylight in May: 14.4h

The month with the longest days is June (Average daylight: 14.9h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in May: 11.2h

The month with the most sunshine is July (Average sunshine: 12.2h).
The month with the least sunshine is December (Average sunshine: 5.9h).

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Average sunshine days in May
Gridley, CA

Average sunshine days in May - Gridley, CA
  • Average sunshine days in May: 23.8 days

The month with the most sunshine days is July (29.1 days).
The month with the least sunshine days is March (16 days).

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Average UV index in May
Gridley, CA

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

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January, February, November and December (UV index 3).

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Average cloud cover in May
Gridley, CA

Average cloud cover in May - Gridley, CA
  • Average cloud cover in May: 19

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in May
Gridley, CA

Average visibility in May - Gridley, CA
  • Average visibility in May: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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