May weather forecast
San Geronimo, CA

Weather in May

May, the last month of the spring in San Geronimo, is also an enjoyable month, with an average temperature ranging between max 63.3°F (17.4°C) and min 50.7°F (10.4°C).

Temperature

In San Geronimo, California, the average high-temperature in May is essentially the same as in April - a still comfortable 63.3°F (17.4°C). The average low-temperature, is 50.7°F (10.4°C).

Humidity

In San Geronimo, the average relative humidity in May is 76%.

Rainfall

In San Geronimo, during 5.7 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in San Geronimo, California, there are 80.3 rainfall days, and 15.98" (406mm) of precipitation is accumulated.

Snowfall

January through November are months without snowfall in San Geronimo.

Daylight

In San Geronimo, the average length of the day in May is 14h and 15min.
On the first day of May in San Geronimo, sunrise is at 6:14 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:26 pm PDT.

Sunshine

In San Geronimo, the average sunshine in May is 10h.

UV index

In May, the average daily maximum UV index in San Geronimo is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 4 in May transform into the following instructions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the 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 San Geronimo?

In May, in San Geronimo, California, the average high-temperature is 63.3°F (17.4°C), and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in May in San Geronimo?

In May, the average relative humidity in San Geronimo is 76%.

How much does it rain in San Geronimo in May?

In San Geronimo, California, in May, it is raining for 5.7 days, with typically 0.71" (18mm) of accumulated precipitation.

When it does not snow in San Geronimo?

January through November are months without snowfall.

What is the average length of the day in May in San Geronimo?

The average day length in May in San Geronimo, California, is 14h and 15min.

When is the sunrise / sunset in May in San Geronimo?

In May, on the first day of the month, sunrise is at 6:14 am and sunset at 8:01 pm. On the last day of the month, in San Geronimo, sunrise is at 5:49 am and sunset at 8:26 pm PDT.

How long on average sun shines in May in San Geronimo?

The average sunshine duration in May is 10h.

What is the UV index intensity in May in San Geronimo?

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
San Geronimo, CA

Average temperature in May - San Geronimo, CA
  • Average high temperature in May: 63.3°F

The warmest month (with the highest average high temperature) is September (70.9°F).
The month with the lowest average high temperature is December (55.2°F).

  • Average low temperature in May: 50.7°F

The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46°F).

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Average pressure in May
San Geronimo, CA

Average pressure in May - San Geronimo, CA
  • Average pressure in May: 29.98"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

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Average wind speed in May
San Geronimo, CA

Average wind speed in May - San Geronimo, CA
  • Average wind speed in May: 8.3mph

The windiest months (with the highest average wind speed) are April and May (8.3mph).
The calmest month (with the lowest average wind speed) is November (5.9mph).

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Average humidity in May
San Geronimo, CA

Average humidity in May - San Geronimo, CA
  • Average humidity in May: 76%

The month with the highest relative humidity is August (78%).
The month with the lowest relative humidity is October (69%).

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Average rainfall in May
San Geronimo, CA

Average rainfall in May - San Geronimo, CA
  • Average rainfall in May: 0.71"

The wettest month (with the highest rainfall) is February (3.43").
The driest months (with the least rainfall) are July and August (0.08").

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Average rainfall days in May
San Geronimo, CA

Average rainfall days in May - San Geronimo, CA
  • Average rainfall days in May: 5.7 days

The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is July (2.3 days).

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Average snowfall days in May
San Geronimo, CA

Average snowfall days in May - San Geronimo, CA
  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is December (0.1 days).
The 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
San Geronimo, CA

Average daylight in May / Average sunshine in May - San Geronimo, CA
  • Average daylight in May: 14h and 15min

The month with the longest days is June (Average daylight: 14h and 46min).
The month with the shortest days is December (Average daylight: 9h and 35min).

  • Average sunshine in May: 10h and 0min

The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).

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Average sunshine days in May
San Geronimo, CA

Average sunshine days in May - San Geronimo, CA
  • Average sunshine days in May: 22.8 days

The months with the most sunshine days are June and July (24.8 days).
The month with the least sunshine days is March (16.6 days).

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Average UV index in May
San Geronimo, CA

Average UV index in May - San Geronimo, CA
  • Average UV index in May: 4

The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February, November and December (UV index 3).

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Average cloud cover in May
San Geronimo, CA

Average cloud cover in May - San Geronimo, CA
  • Average cloud cover in May: 31

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is September (Cloud cover 19).

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Average visibility in May
San Geronimo, CA

Average visibility in May - San Geronimo, 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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