April weather forecast and climate
Bostonia, CA

Weather in April

April is an agreeable spring month in Bostonia, California, with average temperature varying between 70°F (21.1°C) and 50.7°F (10.4°C).

Temperature

In Bostonia, the average high-temperature is practically the same as in March - a pleasant 70°F (21.1°C). The average low-temperature, in Bostonia, is 50.7°F (10.4°C).

Humidity

In Bostonia, the average relative humidity is 63%.

Rainfall

In April, in Bostonia, the rain falls for 6.7 days. Throughout April, 0.63" (16mm) of precipitation is accumulated. In Bostonia, during the entire year, the rain falls for 56.1 days and collects up to 8.27" (210mm) of precipitation.

Daylight

In Bostonia, the average length of the day is 13h.

Sunshine

In April, the average sunshine is 10.9h.

UV index

The average daily maximum UV index in April is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 5 in April transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. 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 April in Bostonia?

In April, in Bostonia, the average high-temperature is 70°F (21.1°C), and the average low-temperature is 50.7°F (10.4°C).

What is the average humidity in April in Bostonia?

The average relative humidity in April is 63%.

How many days does it rain in April in Bostonia?

In Bostonia, California, in April, it is raining for 6.7 days, with typically 0.63" (16mm) of accumulated precipitation.

How many hours of daylight does Bostonia have in April?

In April, the average length of the day is 13h.

How long on average sun shines in April in Bostonia?

In Bostonia, California, the average sunshine in April is 10.9h.

How high is the UV index in April in Bostonia?

The average daily maximum UV index in April in Bostonia is 5. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in April
Bostonia, CA

Average temperature in April - Bostonia, CA
  • Average high temperature in April: 70°F

The warmest month (with the highest average high temperature) is August (83.8°F).
The month with the lowest average high temperature is December (63.7°F).

  • Average low temperature in April: 50.7°F

The month with the highest average low temperature is August (65.8°F).
The coldest month (with the lowest average low temperature) is December (47.8°F).

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Average pressure in April
Bostonia, CA

Average pressure in April - Bostonia, CA
  • Average pressure in April: 29.95"

The month with the highest atmospheric pressure is January (30.09").
Months with the lowest atmospheric pressure are June and September (29.87").

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Average wind speed in April
Bostonia, CA

Average wind speed in April - Bostonia, CA
  • Average wind speed in April: 5.5mph

The windiest month (with the highest average wind speed) is April (5.5mph).
The calmest month (with the lowest average wind speed) is October (4.3mph).

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Average humidity in April
Bostonia, CA

Average humidity in April - Bostonia, CA
  • Average humidity in April: 63%

The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is November (53%).

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Average rainfall in April
Bostonia, CA

Average rainfall in April - Bostonia, CA
  • Average rainfall in April: 0.63"

The wettest month (with the highest rainfall) is February (1.81").
The driest month (with the least rainfall) is June (0.04").

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Average rainfall days in April
Bostonia, CA

Average rainfall days in April - Bostonia, CA
  • Average rainfall days in April: 6.7 days

The month with the highest number of rainy days is March (7.7 days).
The month with the least rainy days is June (1.4 days).

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Average daylight in April /
Average sunshine in April
Bostonia, CA

Average daylight in April / Average sunshine in April - Bostonia, CA
  • Average daylight in April: 13h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in April: 10.9h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 6.7h).

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Average sunshine days in April
Bostonia, CA

Average sunshine days in April - Bostonia, CA
  • Average sunshine days in April: 23.2 days

The month with the most sunshine days is June (27.7 days).
The month with the least sunshine days is February (21.9 days).

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Average UV index in April
Bostonia, CA

Average UV index in April - Bostonia, CA
  • Average UV index in April: 5

Months with the highest UV index are June, July, August and September (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 4).

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Average cloud cover in April
Bostonia, CA

Average cloud cover in April - Bostonia, CA
  • Average cloud cover in April: 20

Months with the most cloud cover are March and December (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).

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Average visibility in April
Bostonia, CA

Average visibility in April - Bostonia, CA
  • Average visibility in April: 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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