World Resorts USA St. Augustine Weather

St. Augustine weather in May

Weather in St. Augustine: May

Average day temperature: 84.1°F
Average night temperature: 70.1°F
Sea water temperature: 76.0°F
Number of sunny days: 14 days
Day length: 13.3 - 13.9 hours
Number of rainy days: 2 days
Precipitation totals: 1.2 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 93°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during May were 81.8°F and 71.8°F.

Sea water temperature in St. Augustine in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 76.7°F. The highest and lowest sea temperatures during the month were 82.2°F and 71.4°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in May, in.

Precipitation total value in St. Augustine in May is 1.2 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 6.3 mph It makes May one of the least windy months of the year.

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: 8.8.

Best time for vacation in St. Augustine

Sunniest months:
April 17 days
October 15 days
March 14 days
Warmest months:
July 88.6 °F
August 88.3 °F
June 87.1 °F
Warmest sea temp:
August 83.6 °F
September 82.8 °F
July 82.8 °F
Coldest months:
January 63.1 °F
December 66.3 °F
February 67.8 °F
Rainiest months:
July 5 days
September 4 days
August 4 days
Windiest months:
January 7.0 mph
April 6.9 mph
December 6.8 mph

St. Augustine on a weather map

St. Augustine
+81°F
N 11 mph
Feels like: +86°F
Precip.: 11%
Places in USA:
Name
°F
+68°F
+79°F
+97°F
+73°F
+84°F
+86°F
+75°F
+84°F
+72°F
+66°F
+70°F
+86°F
+84°F
+95°F
+75°F
24 Hours Forecast
St. Augustine
Local time: 20:27
June 28, sunday
2100
81°F
N
11 mph
June 29, monday
0000
79°F
N
10 mph
0300
77°F
NE
8 mph
0600
77°F
E
7 mph
0900
84°F
E
7 mph
1200
93°F
S
2 mph
1500
91°F
W
8 mph
1800
86°F
N
5 mph
Units of measurement: °C / °F