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Contents
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
Weather in January
January, like December, in Ewa, Hawaii, is a moderately hot winter month, with temperature in the range of an average low of 70.5°F (21.4°C) and an average high of 75.9°F (24.4°C). Ewa's average high-temperature marks a still moderately hot 75.9°F (24.4°C) with the advent of January, closely mirroring that of the preceding month. Weather in January »
Weather in February
February, the last month of the winter in Ewa, is also a moderately hot month, with an average temperature ranging between max 74.8°F (23.8°C) and min 69.4°F (20.8°C). Temperature records mark February as the coldest month, with highs averaging 74.8°F (23.8°C) and lows at 69.4°F (20.8°C). Weather in February »
Weather in March
The first month of the spring, March, is also a moderately hot month in Ewa, Hawaii, with an average temperature ranging between max 75.2°F (24°C) and min 70.2°F (21.2°C). As Ewa transitions into March, the average high-temperature stands at a still warm 75.2°F (24°C), offering little variation from the preceding month. Weather in March »
Weather in April
April, the same as March, is a moderately hot spring month in Ewa, Hawaii, with an average temperature varying between 76.8°F (24.9°C) and 72.1°F (22.3°C). Ewa experiences an average high-temperature of a still warm 76.8°F (24.9°C) with the onset of April, subtly varied from March's 75.2°F (24°C). Weather in April »
Weather in May
The last month of the spring, May, is another warm month in Ewa, Hawaii, with an average temperature varying between 78.6°F (25.9°C) and 73°F (22.8°C). May denotes a minimal variation in the average high-temperature to a still moderately hot 78.6°F (25.9°C) from April's 76.8°F (24.9°C). Weather in May »
Weather in June
The first month of the summer, June, is also a moderately hot month in Ewa, Hawaii, with temperature in the range of an average high of 79.7°F (26.5°C) and an average low of 74.8°F (23.8°C). Ewa experiences an average high-temperature of a still warm 79.7°F (26.5°C) in June, subtly different from May's 78.6°F (25.9°C). Weather in June »
Weather in July
July, the same as June, is another warm summer month in Ewa, Hawaii, with an average temperature ranging between max 80.6°F (27°C) and min 75.7°F (24.3°C). The transition from June to July brings an average high-temperature of a still moderately hot 80.6°F (27°C), barely different from June's 79.7°F (26.5°C). Weather in July »
Weather in August
The last month of the summer, August, is also a moderately hot month in Ewa, Hawaii, with temperature in the range of an average low of 76.3°F (24.6°C) and an average high of 81.5°F (27.5°C). Ewa witnesses its highest temperatures in August and September, reaching an average of 81.5°F (27.5°C). August's mean heat index is appraised at a tropical 86°F (30°C). Weather in August »
Weather in September
September, the first month of the autumn in Ewa, is also a moderately hot month, with temperature in the range of an average high of 81.5°F (27.5°C) and an average low of 76.3°F (24.6°C). Ewa's peak temperatures tend to occur in August and September, with an average high-temperature of 81.5°F (27.5°C). In September, the heat index is appraised at a tropical 86°F (30°C). Weather in September »
Weather in October
October, the same as September, is another warm autumn month in Ewa, Hawaii, with an average temperature fluctuating between 81.1°F (27.3°C) and 76.1°F (24.5°C). Transitioning into October, Ewa experiences an average high-temperature of a still moderately hot 81.1°F (27.3°C), marking a minor shift from the preceding month. Weather in October »
Weather in November
November, the last month of the autumn in Ewa, is also a moderately hot month, with an average temperature varying between 78.8°F (26°C) and 74.5°F (23.6°C). Ewa's weather in November indicates an average high-temperature of a still moderately hot 78.8°F (26°C), nearly consistent with the 81.1°F (27.3°C) of October. Weather in November »
Weather in December
The first month of the winter, December, is also a moderately hot month in Ewa, Hawaii, with an average temperature ranging between max 76.6°F (24.8°C) and min 71.8°F (22.1°C). In Ewa, December's average high-temperature stands at a still moderately hot 76.6°F (24.8°C), closely related to the preceding month. Weather in December »
[Resources]Frequently asked questions
What is the least humid month in Ewa?
The months with the lowest humidity are January, April through June, August through November, with an average relative humidity of 74%.
How much does it rain in Ewa?
Throughout the year, in Ewa, Hawaii, there are 172.2 rainfall days, and 12.72" (323mm) of precipitation is accumulated.
When is the lowest UV index in Ewa?
January through May, October through December, with an average maximum UV index of 6, are months with the lowest UV index.
What is the coldest time of year in Ewa?
The month of February sees the average lowest temperatures in Ewa, Hawaii, reaching 74.8°F (23.8°C) at the peak and 69.4°F (20.8°C) at the low.
What is the wettest month in Ewa?
The month with the most rainfall in Ewa is March, when the rain falls for 18.1 days and typically aggregates up to 1.77" (45mm) of precipitation.
When are the longest days in Ewa?
June has the longest days of the year in Ewa, with an average of 13h and 24min of daylight.
What month has the most sunshine in Ewa?
With an average of 11h of sunshine, June has the most sunshine of the year in Ewa.
When is the highest UV index in Ewa?
The months with the highest UV index in Ewa are June through September, with an average maximum UV index of 7.
What is the driest month in Ewa?
The month with the least rainfall is July, when the rain falls for 11.3 days and typically collects 0.43" (11mm) of precipitation.
What part of the year is the hottest in Ewa?
August and September in Ewa are characterised by peak temperatures, with an average high of 81.5°F (27.5°C).
What is the month with the least sunshine in Ewa?
With an average of 6.7h of sunshine, November has the least sunshine of the year in Ewa.
What is the most humid month in Ewa?
December is the most humid month in Ewa, Hawaii, with an average relative humidity of 76%.
What is the month with the shortest days in Ewa?
The month with the shortest days in Ewa, Hawaii, is December, with an average of 10h and 54min of daylight.
Is there Daylight Saving Time (DST) in Ewa?
Ewa, Hawaii, does not observe Daylight Saving Time (DST). HST timezone is used throughout the entire year.
Average temperature
Ewa, HI
The warmest months (with the highest average high temperature) are August and September (81.5°F).
The month with the lowest average high temperature is February (74.8°F).
The months with the highest average low temperature are August and September (76.3°F).
The coldest month (with the lowest average low temperature) is February (69.4°F).
Average pressure
Ewa, HI
- Average pressure in January:
30"Hg - Average pressure in February:
30.01"Hg - Average pressure in March:
30.05"Hg - Average pressure in April:
30.05"Hg - Average pressure in May:
30.04"Hg - Average pressure in June:
30.03"Hg
- Average pressure in July:
30"Hg - Average pressure in August:
29.98"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
29.97"Hg - Average pressure in November:
30"Hg - Average pressure in December:
29.99"Hg
The months with the highest atmospheric pressure are March and April (30.05"Hg).
The months with the lowest atmospheric pressure are September and October (29.97"Hg).
Average wind speed
Ewa, HI
- Average wind speed in January:
9.1mph - Average wind speed in February:
10.2mph - Average wind speed in March:
11.2mph - Average wind speed in April:
10.9mph - Average wind speed in May:
9.6mph - Average wind speed in June:
11.7mph
- Average wind speed in July:
11.9mph - Average wind speed in August:
11.3mph - Average wind speed in September:
9.8mph - Average wind speed in October:
9.1mph - Average wind speed in November:
11mph - Average wind speed in December:
10mph
The windiest month (with the highest average wind speed) is July (11.9mph).
The calmest months (with the lowest average wind speed) are January and October (9.1mph).
Average humidity
Ewa, HI
The month with the highest relative humidity is December (76%).
The months with the lowest relative humidity are January, April, May, June, August, September, October and November (74%).
Average rainfall
Ewa, HI
- Average rainfall in January:
0.98" - Average rainfall in February:
1.42" - Average rainfall in March:
1.77" - Average rainfall in April:
0.94" - Average rainfall in May:
1.14" - Average rainfall in June:
0.83"
- Average rainfall in July:
0.43" - Average rainfall in August:
0.67" - Average rainfall in September:
0.83" - Average rainfall in October:
1.42" - Average rainfall in November:
0.91" - Average rainfall in December:
1.38"
The wettest month (with the highest rainfall) is March (1.77").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days
Ewa, HI
- Average rainfall days in January:
12.3 days - Average rainfall days in February:
15 days - Average rainfall days in March:
18.1 days - Average rainfall days in April:
16.5 days - Average rainfall days in May:
16.7 days - Average rainfall days in June:
13.3 days
- Average rainfall days in July:
11.3 days - Average rainfall days in August:
12 days - Average rainfall days in September:
13.3 days - Average rainfall days in October:
15.7 days - Average rainfall days in November:
13.5 days - Average rainfall days in December:
14.5 days
The month with the highest number of rainy days is March (18.1 days).
The month with the least rainy days is July (11.3 days).
Average daylight / Average sunshine
Ewa, HI
- Average daylight in January:
11h and 0min - Average daylight in February:
11h and 3min - Average daylight in March:
12h and 0min - Average daylight in April:
12h and 4min - Average daylight in May:
13h and 1min - Average daylight in June:
13h and 2min
- Average daylight in July:
13h and 2min - Average daylight in August:
12h and 5min - Average daylight in September:
12h and 2min - Average daylight in October:
11h and 4min - Average daylight in November:
11h and 1min - Average daylight in December:
10h and 5min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in January:
8h and 4min - Average sunshine in February:
8h and 2min - Average sunshine in March:
8h and 2min - Average sunshine in April:
8h and 4min - Average sunshine in May:
10h and 3min - Average sunshine in June:
11h and 0min
- Average sunshine in July:
10h and 1min - Average sunshine in August:
9h and 1min - Average sunshine in September:
9h and 2min - Average sunshine in October:
8h and 3min - Average sunshine in November:
6h and 4min - Average sunshine in December:
6h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is November (Average sunshine: 6h and 42min).
Average sunshine days
Ewa, HI
- Average sunshine days in January:
13.9 days - Average sunshine days in February:
8.4 days - Average sunshine days in March:
6.8 days - Average sunshine days in April:
8.3 days - Average sunshine days in May:
10.3 days - Average sunshine days in June:
13.9 days
- Average sunshine days in July:
15.3 days - Average sunshine days in August:
15.3 days - Average sunshine days in September:
12.2 days - Average sunshine days in October:
9.5 days - Average sunshine days in November:
9.5 days - Average sunshine days in December:
10.5 days
The months with the most sunshine days are July and August (15.3 days).
The month with the least sunshine days is March (6.8 days).
Average UV index
Ewa, HI
The months with the highest UV index are June, July, August and September (UV index 7).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 6).
Average cloud cover
Ewa, HI
The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility
Ewa, 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).
Ewa, Hawaii, USA
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