Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As March transitions into April, the average high-temperature rests at a still refreshing 67.5°F (19.7°C), maintaining a close resemblance to the previous month. Despite a significant deviation from daily highs, April sees an average nighttime temperature of 42.6°F (5.9°C).Humidity
In April, the average relative humidity in San Martin is 69%.Rainfall
In San Martin, during April, the rain falls for 7.8 days and regularly aggregates up to 0.87" (22mm) of precipitation. In San Martin, California, during the entire year, the rain falls for 70.6 days and collects up to 10.83" (275mm) of precipitation.Daylight
The average length of the day in April in San Martin is 13h and 11min.On the first day of April, sunrise is at 6:50 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:11 am and sunset at 7:55 pm PDT.
Sunshine
The average sunshine in April in San Martin is 10.4h.UV index
In April, the average daily maximum UV index in San Martin, California, is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 5 in April interprets into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What are April temperatures in San Martin?
What is the average humidity in April in San Martin?
How many days does it rain in April in San Martin?
What is the average length of the day in April in San Martin?
When are sunrise and sunset in April in San Martin?
How long on average sun shines in April in San Martin?
What is the UV index reading in April in San Martin?
Average temperature in April
San Martin, CA
- Average high temperature in April: 67.5°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is December (55.8°F).
- Average low temperature in April: 42.6°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (40.1°F).
Average pressure in April
San Martin, CA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in April
San Martin, CA
- Average wind speed in April: 5.1mph
The windiest month (with the highest average wind speed) is May (5.4mph).
The calmest month (with the lowest average wind speed) is November (3.9mph).
Average humidity in April
San Martin, CA
- Average humidity in April: 69%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (55%).
Average rainfall in April
San Martin, CA
- Average rainfall in April: 0.87"
The wettest month (with the highest rainfall) is December (1.97").
The driest months (with the least rainfall) are June, July and August (0.08").
Average rainfall days in April
San Martin, CA
- Average rainfall days in April: 7.8 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (1 days).
Average daylight in April /
Average sunshine in April
San Martin, 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 42min).
- Average sunshine in April: 10h and 2min
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
San Martin, CA
- Average sunshine days in April: 21.1 days
The month with the most sunshine days is August (28.7 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in April
San Martin, CA
- Average UV index in April: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in April
San Martin, CA
- Average cloud cover in April: 28
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in April
San Martin, 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).
San Martin, California, USA
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