Annual mean 23°C · wettest around August · prevailing wind E
Warmest
31.3 °C
Coldest
19.3 °C
Wettest
34%
Windiest
5.3 m/s
Prevailing
E
4.5 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Merritt Island over the whole year is 23°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 14°C. Merritt Island has no sharply defined rainy season: the chance of rain on a given day runs from 19% in March, the driest month, to 31% in August, the wettest. Winds in Merritt Island are highest in April, averaging 4.1 m/s (15 km/h), and lightest in July, at 2.9 m/s (10 km/h). The prevailing wind is from the E. The clearest skies in Merritt Island come in July, when the sky is typically 24% covered; November is the cloudiest month, at 38%.
Month by month Merritt Island climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
20°C
14°C
18°C
24%
36%
3.5 m/s
61
16
63
February
23°C
16°C
22°C
25%
33%
3.5 m/s
70
35
47
March
24°C
17°C
23°C
19%
27%
3.9 m/s
70
41
43
April
26°C
20°C
25°C
25%
28%
4.1 m/s
67
53
30
May
28°C
22°C
29°C
26%
27%
3.9 m/s
33
69
8
June
30°C
25°C
33°C
30%
30%
3.2 m/s
8
52
1
July
31°C
26°C
35°C
31%
24%
2.9 m/s
2
31
0
August
31°C
26°C
34°C
31%
27%
3.0 m/s
2
31
0
September
30°C
25°C
33°C
30%
33%
3.2 m/s
6
48
1
October
28°C
23°C
29°C
24%
34%
3.7 m/s
32
65
9
November
25°C
19°C
24°C
23%
38%
3.6 m/s
65
46
34
December
22°C
16°C
21°C
23%
34%
3.4 m/s
68
31
50
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Merritt Island weather by season
Year round, Merritt Island has days of about 20°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from 14°C to 26°C through the year, and the average temperature over the year is 23°C around the clock. Rain is most likely around August and least likely around March. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Merritt Island weather in winterDecember to February
High 22°CLow 15°CRain 24%
Winter in Merritt Island has typical daily highs of about 22°C and lows of about 15°C, with a 24% chance of rain on a given day.
Merritt Island weather in springMarch to May
High 26°CLow 20°CRain 23%
Spring in Merritt Island has typical daily highs of about 26°C and lows of about 20°C, with a 23% chance of rain on a given day.
Merritt Island weather in summerJune to August
High 31°CLow 25°CRain 31%
Summer in Merritt Island has typical daily highs of about 31°C and lows of about 25°C, with a 31% chance of rain on a given day.
Merritt Island weather in autumnSeptember to November
High 28°CLow 22°CRain 26%
Autumn in Merritt Island has typical daily highs of about 28°C and lows of about 22°C, with a 26% chance of rain on a given day.
When is the rainy season in Merritt Island?
Merritt Island has no sharply defined rainy season: the chance of rain on a given day runs from 19% in March, the driest month, to 31% in August, the wettest.
What time of year is Merritt Island windiest?
Winds in Merritt Island are highest in April, averaging 4.1 m/s (15 km/h), and lightest in July, at 2.9 m/s (10 km/h). The prevailing wind is from the E.
What is the average temperature in Merritt Island year round?
The average temperature in Merritt Island over the whole year is 23°C. July is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 14°C.