Climate and monthly weather forecastOmao, HI
Climate and monthly weather forecast
Weather in January
January, like December, in Omao, Hawaii, is a moderately hot winter month, with an average temperature ranging between min 69.6°F (20.9°C) and max 74.7°F (23.7°C). Omao notes an average high-temperature of a still moderately hot 74.7°F (23.7°C) in January, hardly diverging from December. Weather in January »Weather in February
February, the last month of the winter in Omao, is also an agreeable month, with an average temperature varying between 73.2°F (22.9°C) and 68.5°F (20.3°C). The coldest period, with an average high-temperature of 73.2°F (22.9°C), falls in February and March. Weather in February »Weather in March
The first month of the spring, March, is still a pleasant month in Omao, Hawaii, with an average temperature fluctuating between 68.9°F (20.5°C) and 73.2°F (22.9°C). February and March are known as Omao's coldest months, with an average high-temperature of 73.2°F (22.9°C). Weather in March »Weather in April
April is a warm spring month in Omao, Hawaii, with an average temperature ranging between max 74.8°F (23.8°C) and min 70.9°F (21.6°C). Entering April, Omao's average high-temperature reads a moderately hot 74.8°F (23.8°C), indicating a close resemblance to the previous month's climate. Weather in April »Weather in May
May, the last month of the spring in Omao, is also a moderately hot month, with an average temperature fluctuating between 72.1°F (22.3°C) and 76.8°F (24.9°C). The advent of May presents an average high-temperature of a still warm 76.8°F (24.9°C), maintaining a close correlation with the preceding month. Weather in May »Weather in June
The first month of the summer, June, is also a moderately hot month in Omao, Hawaii, with an average temperature fluctuating between 78.3°F (25.7°C) and 73.9°F (23.3°C). Omao starts June with an average high-temperature of a still warm 78.3°F (25.7°C), hinting at a minimal fluctuation from May. Weather in June »Weather in July
July, like June, in Omao, Hawaii, is a moderately hot summer month, with an average temperature varying between 79°F (26.1°C) and 75°F (23.9°C). The weather during July records an average high-temperature of a still warm 79°F (26.1°C), closely mirroring the preceding month. Weather in July »Weather in August
August, the last month of the summer in Omao, is also a moderately hot month, with an average temperature ranging between max 79.5°F (26.4°C) and min 75.7°F (24.3°C). The commencement of August records an average high-temperature of a still moderately hot 79.5°F (26.4°C), barely varying from July's 79°F (26.1°C). Weather in August »Weather in September
September, the first month of the autumn in Omao, is still a warm month, with an average temperature fluctuating between 75.9°F (24.4°C) and 79.7°F (26.5°C). Temperature records mark September as the warmest month, with highs averaging 79.7°F (26.5°C) and lows at 75.9°F (24.4°C). Weather in September »Weather in October
October, like September, in Omao, Hawaii, is a moderately hot autumn month, with temperature in the range of an average high of 79.5°F (26.4°C) and an average low of 75.4°F (24.1°C). The arrival of October is marked by an average high-temperature of a still moderately hot 79.5°F (26.4°C), bearing a close resemblance to September. Weather in October »Weather in November
The last month of the autumn, November, is another warm month in Omao, Hawaii, with an average temperature varying between 74.1°F (23.4°C) and 77.2°F (25.1°C). Omao's entry into November measures an average high-temperature of a still warm 77.2°F (25.1°C), closely parallel to the preceding month. Weather in November »Weather in December
December, the first month of the winter in Omao, is also a moderately hot month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 71.8°F (22.1°C). The start of December sees the average high-temperature at a still warm 75.4°F (24.1°C), showing little difference from November's 77.2°F (25.1°C). Weather in December »Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With an average relative humidity of 75%, January is the least humid month.
In Omao, during the entire year, the rain falls for 218.4 days and collects up to 22.13" (562mm) of precipitation.
January through August, October through December, with an average maximum UV index of 6, are months with the lowest UV index.
Omao's lowest temperatures tend to occur in February and March, with an average high-temperature of 73.2°F (22.9°C).
March is the month with the most rainfall. Rain falls for 18.6 days and accumulates 2.52" (64mm) of precipitation.
The month with the least rainfall is April, when the rain falls for 18.3 days and typically collects 1.3" (33mm) of precipitation.
The months with the highest humidity are June through August, October and December, with an average relative humidity of 77%.
With an average of 13h and 30min of daylight, June has the longest days of the year in Omao.
The month with the most sunshine is June, with an average of 9.7h of sunshine.
In Omao, September is the warmest month, with temperatures averaging a high of 79.7°F (26.5°C) and a low of 75.9°F (24.4°C).
The month with the highest UV index is September, with an average maximum UV index of 7.
With an average of 6.2h of sunshine, November has the least sunshine of the year.
The month with the shortest days is December, with an average of 10h and 48min of daylight.
Omao does not observe Daylight Saving Time (DST). HST timezone is used throughout the entire year.
Average temperature
Omao, HI
The warmest month (with the highest average high temperature) is September (79.7°F).
The months with the lowest average high temperature are February and March (73.2°F).
The month with the highest average low temperature is September (75.9°F).
The coldest month (with the lowest average low temperature) is February (68.5°F).
Average pressure
Omao, HI
- Average pressure in January:
30.01"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
30.06"Hg - Average pressure in April:
30.07"Hg - Average pressure in May:
30.05"Hg - Average pressure in June:
30.04"Hg
- Average pressure in July:
30.02"Hg - Average pressure in August:
30"Hg - Average pressure in September:
29.98"Hg - Average pressure in October:
29.98"Hg - Average pressure in November:
30.01"Hg - Average pressure in December:
30.01"Hg
The month with the highest atmospheric pressure is April (30.07"Hg).
The months with the lowest atmospheric pressure are September and October (29.98"Hg).
Average wind speed
Omao, HI
- Average wind speed in January:
10mph - Average wind speed in February:
11.1mph - Average wind speed in March:
12mph - Average wind speed in April:
11.5mph - Average wind speed in May:
10.5mph - Average wind speed in June:
12.1mph
- Average wind speed in July:
12.3mph - Average wind speed in August:
12.1mph - Average wind speed in September:
11.1mph - Average wind speed in October:
10.5mph - Average wind speed in November:
12.1mph - Average wind speed in December:
11.2mph
The windiest month (with the highest average wind speed) is July (12.3mph).
The calmest month (with the lowest average wind speed) is January (10mph).
Average humidity
Omao, HI
The months with the highest relative humidity are June, July, August, October and December (77%).
The month with the lowest relative humidity is January (75%).
Average rainfall
Omao, HI
- Average rainfall in January:
1.57" - Average rainfall in February:
1.81" - Average rainfall in March:
2.52" - Average rainfall in April:
1.3" - Average rainfall in May:
1.57" - Average rainfall in June:
1.85"
- Average rainfall in July:
1.77" - Average rainfall in August:
1.89" - Average rainfall in September:
1.54" - Average rainfall in October:
2.05" - Average rainfall in November:
2.05" - Average rainfall in December:
2.2"
The wettest month (with the highest rainfall) is March (2.52").
The driest month (with the least rainfall) is April (1.3").
Average rainfall days
Omao, HI
- Average rainfall days in January:
12.5 days - Average rainfall days in February:
15 days - Average rainfall days in March:
18.6 days - Average rainfall days in April:
18.3 days - Average rainfall days in May:
18.5 days - Average rainfall days in June:
18.8 days
- Average rainfall days in July:
20.9 days - Average rainfall days in August:
21.1 days - Average rainfall days in September:
18.7 days - Average rainfall days in October:
18.7 days - Average rainfall days in November:
19.2 days - Average rainfall days in December:
18.1 days
The month with the highest number of rainy days is August (21.1 days).
The month with the least rainy days is January (12.5 days).
Average daylight / Average sunshine
Omao, HI
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 24min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 42min - Average daylight in May:
13h and 12min - Average daylight in June:
13h and 30min
- Average daylight in July:
13h and 18min - Average daylight in August:
12h and 54min - Average daylight in September:
12h and 18min - Average daylight in October:
11h and 36min - Average daylight in November:
11h and 6min - Average daylight in December:
10h and 48min
The month with the longest days is June (Average daylight: 13h and 30min).
The month with the shortest days is December (Average daylight: 10h and 48min).
- Average sunshine in January:
8h and 6min - Average sunshine in February:
7h and 42min - Average sunshine in March:
7h and 30min - Average sunshine in April:
7h and 48min - Average sunshine in May:
9h and 18min - Average sunshine in June:
9h and 42min
- Average sunshine in July:
8h and 36min - Average sunshine in August:
8h and 24min - Average sunshine in September:
8h and 42min - Average sunshine in October:
8h and 24min - Average sunshine in November:
6h and 12min - Average sunshine in December:
6h and 24min
The month with the most sunshine is June (Average sunshine: 9h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days
Omao, HI
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
7.8 days - Average sunshine days in March:
6.3 days - Average sunshine days in April:
5.7 days - Average sunshine days in May:
6.7 days - Average sunshine days in June:
5 days
- Average sunshine days in July:
3.9 days - Average sunshine days in August:
2.9 days - Average sunshine days in September:
5.3 days - Average sunshine days in October:
6.3 days - Average sunshine days in November:
4.7 days - Average sunshine days in December:
6.7 days
The month with the most sunshine days is January (12.8 days).
The month with the least sunshine days is August (2.9 days).
Average UV index
Omao, HI
The month with the highest UV index is September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 6).
Average cloud cover
Omao, HI
The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are January and September (Cloud cover 38).
Average visibility
Omao, HI
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).
