April weather forecast
Keyes, CA

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Weather in April

April is a pleasant spring month in Keyes, California, with an average temperature ranging between max 72.1°F (22.3°C) and min 47.7°F (8.7°C).

Temperature

The start of April brings a subtle shift in the average high-temperature, edging up from March's comfortable 65.7°F (18.7°C) to a pleasant 72.1°F (22.3°C). A noticeable downturn in temperature characterizes the April nights, averaging at a chilly 47.7°F (8.7°C).

Humidity

In Keyes, the average relative humidity in April is 62%.

Rainfall

In April, the rain falls for 7.4 days. Throughout April, 0.67" (17mm) of precipitation is accumulated. In Keyes, during the entire year, the rain falls for 54.3 days and collects up to 6.54" (166mm) of precipitation.

Daylight

In Keyes, the average length of the day in April is 13h and 12min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:26 pm. On the last day of April, sunrise is at 6:08 am and sunset at 7:53 pm PDT.

Sunshine

In Keyes, the average sunshine in April is 10.5h.

UV index

In April, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.
Note: A maximum high UV index of 5 in April translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in Keyes in April?

The average high-temperature, in April, in Keyes, is 72.1°F (22.3°C), while the average low-temperature is 47.7°F (8.7°C).

What is the average humidity in April?

The average relative humidity in April is 62%.

How many days does it rain in April?

In Keyes, in April, during 7.4 rainfall days, 0.67" (17mm) of precipitation is typically accumulated.

How many hours of daylight does Keyes have in April?

In Keyes, the average day length in April is 13h and 12min.

When is the sunrise / sunset in April?

On the first day of April, sunrise is at 6:47 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:08 am and sunset at 7:53 pm PDT.

How many hours of sunshine does Keyes have in April?

In Keyes, the average sunshine duration in April is 10.5h.

What is the UV index reading in April?

In Keyes, the average daily maximum UV index in April is 5. A UV Index reading of 3 to 5 represents 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 April
Keyes, CA

Average temperature in April - Keyes, CA
  • Average high temperature in April: 72.1°F

The warmest month (with the highest average high temperature) is July (97.7°F).
The month with the lowest average high temperature is December (55.6°F).

  • Average low temperature in April: 47.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.9°F).

Average pressure in April
Keyes, CA

Average pressure in April - Keyes, CA
  • Average pressure in April: 30.02"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in April
Keyes, CA

Average wind speed in April - Keyes, CA
  • Average wind speed in April: 6.5mph

The windiest month (with the highest average wind speed) is June (7.3mph).
The calmest month (with the lowest average wind speed) is November (5.2mph).

Average humidity in April
Keyes, CA

Average humidity in April - Keyes, CA
  • Average humidity in April: 62%

The month with the highest relative humidity is January (72%).
The month with the lowest relative humidity is July (37%).

Average rainfall in April
Keyes, CA

Average rainfall in April - Keyes, CA
  • Average rainfall in April: 0.67"

The wettest month (with the highest rainfall) is March (1.3").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in April
Keyes, CA

Average rainfall days in April - Keyes, CA
  • Average rainfall days in April: 7.4 days

The month with the highest number of rainy days is March (10.3 days).
The month with the least rainy days is August (0.9 days).

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

Average daylight in April / Average sunshine in April - Keyes, CA
  • Average daylight in April: 13h and 1min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in April: 10h and 3min

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 0min).

Average sunshine days in April
Keyes, CA

Average sunshine days in April - Keyes, CA
  • Average sunshine days in April: 21.7 days

The month with the most sunshine days is August (29.2 days).
The month with the least sunshine days is March (19.6 days).

Average UV index in April
Keyes, CA

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

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

Average cloud cover in April
Keyes, CA

Average cloud cover in April - Keyes, CA
  • Average cloud cover in April: 25

The month with the most cloud cover is March (Cloud cover 33).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in April
Keyes, CA

Average visibility in April - Keyes, CA
  • Average visibility in April: 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).

Keyes, California, USA

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