March weather forecastKeaau, HI
March
Weather in March
March, the first month of the spring in Keaau, is still a pleasant month, with temperature in the range of an average low of 64°F (17.8°C) and an average high of 69.6°F (20.9°C).Temperature
Keaau's March weather reaches an average high of 69.6°F (20.9°C) and an average low of 64°F (17.8°C), making it the coldest month.Humidity
The most humid month in Keaau is March, with an average relative humidity of 80%.Rainfall
In Keaau, in March, it is raining for 22.9 days, with typically 3.15" (80mm) of accumulated precipitation. In Keaau, during the entire year, the rain falls for 227.7 days and collects up to 27.83" (707mm) of precipitation.Daylight
The average length of the day in March is 12h and 3min.On the first day of the month, sunrise is at 6:38 am and sunset at 6:25 pm. On the last day of March, in Keaau, sunrise is at 6:13 am and sunset at 6:34 pm HST.
Sunshine
In March, the average sunshine is 7.5h.UV index
The months with the lowest UV index are January through April, with an average maximum UV index of 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In March, a daily maximum UV index of 5 leads to the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Keaau, HI
- Average high temperature in March: 69.6°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is March (69.6°F).
- Average low temperature in March: 64°F
The month with the highest average low temperature is September (70°F).
The coldest month (with the lowest average low temperature) is March (64°F).
Average pressure in March
Keaau, HI
- Average pressure in March: 30.04"Hg
The month with the highest atmospheric pressure is April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed in March
Keaau, HI
- Average wind speed in March: 7.5mph
The windiest month (with the highest average wind speed) is August (7.6mph).
The calmest month (with the lowest average wind speed) is October (6.7mph).
Average humidity in March
Keaau, HI
- Average humidity in March: 80%
The month with the highest relative humidity is March (80%).
The months with the lowest relative humidity are January, May, June and July (78%).
Average rainfall in March
Keaau, HI
- Average rainfall in March: 3.15"
The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is June (1.1").
Average rainfall days in March
Keaau, HI
- Average rainfall days in March: 22.9 days
The month with the highest number of rainy days is March (22.9 days).
The month with the least rainy days is January (13.3 days).
Average daylight in March /
Average sunshine in March
Keaau, HI
- Average daylight in March: 12h and 6min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in March: 7h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in March
Keaau, HI
- Average sunshine days in March: 3.3 days
The month with the most sunshine days is January (12.1 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in March
Keaau, HI
- Average UV index in March: 5
The months with the highest UV index are May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March and April (UV index 5).
Average cloud cover in March
Keaau, HI
- Average cloud cover in March: 42
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in March
Keaau, HI
- 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).





