March weather forecastJohnstown, CA
March
Weather in March
March, the first month of the spring in Johnstown, is still a refreshing month, with an average temperature varying between 67.6°F (19.8°C) and 47.8°F (8.8°C).Temperature
In March, Johnstown notes an average high-temperature of a still enjoyable 67.6°F (19.8°C), hardly different from the preceding month. Throughout the month of March, Johnstown reports a steady low-temperature average of 47.8°F (8.8°C).Humidity
The average relative humidity in March is 63%.Rainfall
In March, the rain falls for 6.8 days. Throughout March, 0.51" (13mm) of precipitation is accumulated. In Johnstown, during the entire year, the rain falls for 49.6 days and collects up to 5.16" (131mm) of precipitation.Daylight
In March, the average length of the day is 12h and 1min.On the first day of the month, sunrise is at 6:14 am and sunset at 5:45 pm PST. On the last day of March, in Johnstown, sunrise is at 6:35 am and sunset at 7:07 pm PDT.
Note: On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from PST to PDT. Daylight Saving Time lasts until Sunday, November 3. 2024, at 2:00 am; consequently, the time zone reverts from PDT to PST.
Sunshine
The average sunshine in March is 8.7h.UV index
In Johnstown, the average daily maximum UV index in March is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during March translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Johnstown, CA
- Average high temperature in March: 67.6°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is December (63.7°F).
- Average low temperature in March: 47.8°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 (46°F).
Average pressure in March
Johnstown, CA
- Average pressure in March: 30.01"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in March
Johnstown, CA
- Average wind speed in March: 5mph
The windiest months (with the highest average wind speed) are April and May (5.3mph).
The calmest months (with the lowest average wind speed) are August, September and October (4.2mph).
Average humidity in March
Johnstown, CA
- Average humidity in March: 63%
The month with the highest relative humidity is May (65%).
The month with the lowest relative humidity is November (52%).
Average rainfall in March
Johnstown, CA
- Average rainfall in March: 0.51"
The wettest month (with the highest rainfall) is February (1.06").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in March
Johnstown, CA
- Average rainfall days in March: 6.8 days
The month with the highest number of rainy days is March (6.8 days).
The month with the least rainy days is June (1.4 days).
Average daylight in March /
Average sunshine in March
Johnstown, CA
- Average daylight in March: 12h and 0min
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 March: 8h and 42min
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).
Average sunshine days in March
Johnstown, CA
- Average sunshine days in March: 23.3 days
The month with the most sunshine days is June (28 days).
The month with the least sunshine days is July (20.7 days).
Average UV index in March
Johnstown, CA
- Average UV index in March: 5
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in March
Johnstown, CA
- Average cloud cover in March: 23
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).
Average visibility in March
Johnstown, CA
- Average visibility in March: 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).
