May weather forecast
South Whittier, CA

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Weather in May

The last month of the spring, May, is a warm month in South Whittier, California, with an average temperature varying between 74.3°F (23.5°C) and 56.5°F (13.6°C).

Temperature

Upon the onset of May, South Whittier witnesses an average high-temperature of a moderately hot 74.3°F (23.5°C), showing a close resemblance to the prior month. During May, the temperature tends to dip to an average of 56.5°F (13.6°C) at night.

Humidity

The average relative humidity in May in South Whittier is 61%.

Rainfall

May is the last month it rains. During 1.4 rainfall days, in May, South Whittier aggregates 0.04" (1mm) of precipitation. In South Whittier, during the entire year, the rain falls for 27.3 days and collects up to 1.97" (50mm) of precipitation.

Daylight

In South Whittier, the average length of the day in May is 13h and 56min.
On the first day of the month, sunrise is at 6:02 am and sunset at 7:36 pm. On the last day of May, in South Whittier, sunrise is at 5:42 am and sunset at 7:57 pm PDT.

Sunshine

The average sunshine in May is 11.2h.

UV index

In South Whittier, the average daily maximum UV index in May is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum UV index, 5 during May, leads to the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
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Frequently asked questions

What is the temperature in May in South Whittier?

In South Whittier, in May, the average high-temperature is 74.3°F (23.5°C), and the average low-temperature is 56.5°F (13.6°C).

What is the average humidity in May in South Whittier?

In May, the average relative humidity in South Whittier, California, is 61%.

What is the last month it rains in South Whittier?

May is the last month it rains. During 1.4 rainfall days, in May, South Whittier aggregates 0.04" (1mm) of precipitation.

What is the average length of the day in May in South Whittier?

The average day length in May in South Whittier, California, is 13h and 56min.

When is the sunrise / sunset in May in South Whittier?

In May, on the first day of the month, sunrise is at 6:02 am and sunset at 7:36 pm. On the last day of the month, in South Whittier, California, sunrise is at 5:42 am and sunset at 7:57 pm PDT.

How long on average sun shines in May in South Whittier?

In May, the average sunshine duration in South Whittier is 11.2h.

What is the UV index reading in May in South Whittier?

In South Whittier, the average daily maximum UV index in May is 5. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
South Whittier, CA

Average temperature in May - South Whittier, CA
  • Average high temperature in May: 74.3°F

The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (64.8°F).

  • Average low temperature in May: 56.5°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is February (49.8°F).

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Average pressure in May
South Whittier, CA

Average pressure in May - South Whittier, CA
  • Average pressure in May: 29.92"Hg

The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed in May
South Whittier, CA

Average wind speed in May - South Whittier, CA
  • Average wind speed in May: 5.8mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are September and October (4.7mph).

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Average humidity in May
South Whittier, CA

Average humidity in May - South Whittier, CA
  • Average humidity in May: 61%

The month with the highest relative humidity is June (63%).
The month with the lowest relative humidity is November (48%).

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Average rainfall in May
South Whittier, CA

Average rainfall in May - South Whittier, CA
  • Average rainfall in May: 0.04"

The wettest month (with the highest rainfall) is December (0.47").
The driest month (with the least rainfall) is June (0").

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Average rainfall days in May
South Whittier, CA

Average rainfall days in May - South Whittier, CA
  • Average rainfall days in May: 1.4 days

The month with the highest number of rainy days is March (4.6 days).
The month with the least rainy days is June (0.5 days).

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Average daylight in May /
Average sunshine in May
South Whittier, CA

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in May: 11h and 1min

The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).

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Average sunshine days in May
South Whittier, CA

Average sunshine days in May - South Whittier, CA
  • Average sunshine days in May: 29 days

The month with the most sunshine days is June (29.3 days).
The month with the least sunshine days is February (23.8 days).

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Average UV index in May
South Whittier, CA

Average UV index in May - South Whittier, CA
  • Average UV index in May: 5

The month with the highest UV index is August (UV index 7).
The months with the lowest UV index are February, November and December (UV index 4).

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Average cloud cover in May
South Whittier, CA

Average cloud cover in May - South Whittier, CA
  • Average cloud cover in May: 17

The months with the most cloud cover are March and December (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 6).

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Average visibility in May
South Whittier, CA

Average visibility in May - South Whittier, 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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South Whittier, California, USA

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