World Resorts USA Hilo Weather

Hilo weather in May

Weather in Hilo: May

Average day temperature: 74.6°F
Average night temperature: 69.1°F
Sea water temperature: 77.3°F
Number of sunny days: 14 days
Day length: 12.9 - 13.2 hours
Number of rainy days: 4 days
Precipitation totals: 2.3 in.

Air temperature in May, °F

Show year:
2024
2023
2022

The highest day temperature during May of 2024 was 77°F. At the same time the lowest night temperature was 63°F. Day and night temperature averages during May were 70.1°F and 68.9°F.

Sea water temperature in Hilo in May, °F

Show year:
2024
2023
2022

The average sea water temperature in May of 2024 was 76.2°F. The highest and lowest sea temperatures during the month were 76.8°F and 75.2°F.

Sunny, partly cloudy and cloudy days

Mostly all days in May are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in May, in.

Precipitation total value in Hilo in May is 2.2 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 7.0 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 4.8.

Best time for vacation in Hilo

Sunniest months:
January 19 days
October 16 days
September 15 days
Warmest months:
August 78.3 °F
September 78.3 °F
October 78.0 °F
Warmest sea temp:
September 80.4 °F
October 80.0 °F
August 79.8 °F
Coldest months:
April 73.3 °F
March 73.3 °F
February 73.4 °F
Rainiest months:
March 6 days
December 5 days
November 5 days
Windiest months:
March 8.4 mph
August 8.3 mph
April 8.2 mph

Hilo on a weather map

Hilo
+72°F
SW 4 mph
Feels like: +72°F
Precip.: 100%
Places in USA:
Name
°F
+41°F
+45°F
+72°F
+72°F
+55°F
+57°F
+66°F
+68°F
+45°F
+59°F
+52°F
+57°F
+54°F
+64°F
+39°F
24 Hours Forecast
Hilo
Local time: 21:05
November 24, sunday
0000
72°F
SW
3 mph
0300
70°F
W
1 mph
0600
70°F
S
2 mph
0900
73°F
SW
3 mph
1200
73°F
W
6 mph
1500
72°F
SW
4 mph
1800
72°F
S
4 mph
2100
72°F
S
6 mph
Units of measurement: °C / °F