World Resorts USA Galena Weather

Galena weather in May

Weather in Galena: May

Average day temperature: 67.1°F
Average night temperature: 52.3°F
Number of sunny days: 11 days
Day length: 14.1 - 15.1 hours
Number of rainy days: 4 days
Precipitation totals: 1.6 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 92°F. At the same time the lowest night temperature was 34°F. Daily and nightly averages during May were 73.0°F and 53.0°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in May is almost equal.

Precipitation total in May, in.

Precipitation total value in Galena in May is 1.6 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 8.9 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: 8.2.

Best time for vacation in Galena

Sunniest months:
September 17 days
October 16 days
August 13 days
Warmest months:
July 80.5 °F
August 80.5 °F
June 77.6 °F
Coldest months:
January 25.7 °F
February 31.2 °F
December 33.4 °F
Rainiest months:
May 4 days
June 3 days
July 2 days
Windiest months:
April 10.9 mph
March 10.9 mph
November 9.9 mph

Galena on a weather map

Galena
+82°F
NW 13 mph
Feels like: +88°F
Precip.: 73%
Places in USA:
Name
°F
+77°F
+77°F
+100°F
+79°F
+88°F
+86°F
+72°F
+79°F
+70°F
+64°F
+68°F
+95°F
+102°F
+88°F
+77°F
24 Hours Forecast
Galena
Local time: 15:03
June 08, monday
1800
79°F
N
4 mph
2100
73°F
E
2 mph
June 09, tuesday
0000
68°F
SE
4 mph
0300
64°F
E
4 mph
0600
66°F
E
4 mph
0900
73°F
E
6 mph
1200
81°F
S
3 mph
1500
84°F
NE
4 mph
Units of measurement: °C / °F