May weather forecast
Alpine, CA

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Weather in May

May, the last month of the spring in Alpine, is a moderately hot month, with an average temperature fluctuating between 73.6°F (23.1°C) and 51.3°F (10.7°C).

Temperature

At the start of May, Alpine's average high-temperature reaches a moderately hot 73.6°F (23.1°C), subtly different from the preceding month. Alpine observes a distinct decrease from peak daytime temperatures, with an average low-temperature of 51.3°F (10.7°C) throughout the month of May.

Humidity

May is the most humid month in Alpine, with an average relative humidity of 62%.

Rainfall

In May, the rain falls for 4.2 days. Throughout May, 0.24" (6mm) of precipitation is accumulated. In Alpine, during the entire year, the rain falls for 62 days and collects up to 6.38" (162mm) of precipitation.

Daylight

In Alpine, the average length of the day in May is 13h and 52min.
On the first day of the month, sunrise is at 5:58 am and sunset at 7:29 pm. On the last day of May, sunrise is at 5:39 am and sunset at 7:50 pm PDT.

Sunshine

In May, the average sunshine is 11.5h.

UV index

In May, the average daily maximum UV index in Alpine is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: In May, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Precautions against solar damage are endorsed. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What are May temperatures in Alpine?

In Alpine, in May, the average high-temperature is 73.6°F (23.1°C), and the average low-temperature is 51.3°F (10.7°C).

What is the most humid month in Alpine?

May is the most humid month in Alpine, California, with an average relative humidity of 62%.

What is the average humidity in May in Alpine?

The average relative humidity in May in Alpine, California, is 62%.

How much does it rain in Alpine in May?

In Alpine, in May, it is raining for 4.2 days, with typically 0.24" (6mm) of accumulated precipitation.

How many hours of daylight does Alpine have in May?

In May, the average day length in Alpine, California, is 13h and 52min.

When are sunrise and sunset in May in Alpine?

In May, on the first day of the month, sunrise is at 5:58 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 5:39 am and sunset at 7:50 pm PDT.

How long on average sun shines in May in Alpine?

In Alpine, California, the average sunshine duration in May is 11.5h.

What is the UV index reading in May in Alpine?

In May, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Alpine, CA

Average temperature in May - Alpine, CA
  • Average high temperature in May: 73.6°F

The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is December (61.3°F).

  • Average low temperature in May: 51.3°F

The month with the highest average low temperature is August (64.9°F).
The coldest month (with the lowest average low temperature) is February (44.2°F).

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Average pressure in May
Alpine, CA

Average pressure in May - Alpine, CA
  • Average pressure in May: 29.9"Hg

The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in May
Alpine, CA

Average wind speed in May - Alpine, CA
  • Average wind speed in May: 5.7mph

The windiest month (with the highest average wind speed) is May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in May
Alpine, CA

Average humidity in May - Alpine, CA
  • Average humidity in May: 62%

The month with the highest relative humidity is May (62%).
The month with the lowest relative humidity is November (51%).

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Average rainfall in May
Alpine, CA

Average rainfall in May - Alpine, CA
  • Average rainfall in May: 0.24"

The wettest month (with the highest rainfall) is February (0.94").
The driest month (with the least rainfall) is June (0.08").

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Average rainfall days in May
Alpine, CA

Average rainfall days in May - Alpine, CA
  • Average rainfall days in May: 4.2 days

The month with the highest number of rainy days is March (7.6 days).
The month with the least rainy days is June (1.5 days).

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

Average daylight in May / Average sunshine in May - Alpine, CA
  • Average daylight in May: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in May: 11h and 3min

The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 42min).

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Average sunshine days in May
Alpine, CA

Average sunshine days in May - Alpine, CA
  • Average sunshine days in May: 25.2 days

The month with the most sunshine days is June (27.5 days).
The month with the least sunshine days is July (19.4 days).

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Average UV index in May
Alpine, CA

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

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

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Average cloud cover in May
Alpine, CA

Average cloud cover in May - Alpine, CA
  • Average cloud cover in May: 15

The months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in May
Alpine, CA

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

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