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Block Island weather by month
Check out Block Island weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Block Island (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | 3 |
3 |
7 |
13 |
18 |
23 |
26 |
26 |
22 |
17 |
11 |
5 |
Min temperature (night-time) | -6 |
-5 |
-1 |
4 |
9 |
14 |
18 |
17 |
13 |
8 |
3 |
-3 |
Heat & Humidity | 0 |
0 |
0 |
0 |
0 |
0 |
L |
L |
0 |
0 |
0 |
0 |
Sea temperature | 6 |
4 |
4 |
6 |
10 |
15 |
19 |
20 |
19 |
16 |
12 |
9 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Block Island
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daily hours of sunshine | ||||||||||||
Daily hours of daylight | 10 |
11 |
12 |
13 |
15 |
15 |
15 |
14 |
12 |
11 |
10 |
9 |
UV Index (Maximum) | 2 |
2 |
4 |
6 |
7 |
8 |
8 |
8 |
6 |
4 |
2 |
1 |
Rainfall in Block Island
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 11 |
9 |
11 |
10 |
11 |
10 |
9 |
9 |
9 |
8 |
10 |
11 |
Average monthly rainfall (mm) | 102 |
93 |
113 |
107 |
98 |
80 |
81 |
105 |
97 |
91 |
124 |
116 |
More about Block Island
Block Island by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Rhode Island
The climate guide for Rhode Island (Block Island) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Block Island?
Block Island has a cold climate with warm summers and some rainfall in all months.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
Compare Block Island with the UK
Below the Block Island chart shows average maximum daytime temperature for Block Island, Rhode Island, USA and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Block Island weather >>
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