In general the best time to visit Okinawa is probably August, when the weather is usually great. The hottest months are July, August, September, while the coldest months are January, February, December.
The best time to visit may differ depending on what you are looking for:
The best time for a sun tanning holiday is July, August, September. Average maximum temperatures are up to +88°F in August and it has 3 sunny days on average.
In general, it’s pleasant to walk and do outdoor activities during January - December.
If you want to avoid wet weather, then your choice is June, July, August with the lowest chance of rain.
Average weather in Okinawa in different months
This is the average weather in Okinawa for each month based on historic data:
January, February, November, December usually has good weather. Average maximum temperature reaches +75°F during November.
In March, April, May, June, July, August, September, October the weather is average. Expect around 152 rainy days, and the precipitation amounts to approximately 295 mm in June.
Climate in Okinawa
Here is the detailed breakdown of the climate in Okinawa for each month:
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Maximum Temperature
+79°F
+81°F
+81°F
+86°F
+88°F
+93°F
+95°F
+93°F
+93°F
+91°F
+86°F
+82°F
Average Maximum Temperature
+66°F
+66°F
+70°F
+73°F
+79°F
+84°F
+88°F
+88°F
+86°F
+81°F
+75°F
+68°F
Minimum Temperature
+43°F
+46°F
+46°F
+52°F
+59°F
+63°F
+70°F
+72°F
+66°F
+61°F
+55°F
+48°F
Avg. water temperature
-
-
-
-
-
-
-
-
-
-
-
-
Humidity, %
69
72
75
79
83
88
85
84
81
76
73
69
Rain, mm
117
125
156
178
244
295
160
229
231
167
137
122
Snow, mm
0
0
0
0
0
0
0
0
0
0
0
0
Average wind speed, m/s
4
4
4
4
4
4
4
4
4
5
5
5
Sunny Days
1
1
2
2
2
2
4
3
3
4
2
2
Cloud Days
11
10
11
10
10
7
7
5
5
9
10
11
Rainy Days
18
16
18
18
19
19
18
21
21
18
17
18
Snowy Days
0
0
0
0
0
0
0
0
0
0
0
0
Average Temperature
Here are the average maximum and minimum temperatures in Okinawa during the whole year:
The hottest month in Okinawa is August with average maximum temperature going up to +88°F. The coldest month is January with the lowest temperatures of +57°F.
Humidity
The temperature feels different depending on humidity. Here is how humidity in Okinawa looks throughout the year, in %:
The most humid month in Okinawa is June with average humidity going up to 88%. The least humid month is January with an average humidity of 69%.
Rain
Amount of rainfall in mm. in Okinawa during the whole year based on historical data:
The sunniest and driest month is July with approximately 4 sunny days and a total precipitation of around 160 mm. The rainiest and wettest month is June with approximately 19 rainy days and 295 mm of total precipitation.
FAQ
Frequently asked questions about the weather in Okinawa:
What is the hottest month in Okinawa?
The hottest month in Okinawa is August with average maximum temperature of +88°F.
What is the coldest month in Okinawa?
The coldest month in Okinawa is January with minimum temperatures of +57°F.
Is Okinawa worth visiting in winter?
If you are planning to visit Okinawa in winter you can expect pretty good weather. The best month is August with +88°F and 3 sunny days.
When does it rain the least in Okinawa?
if you're looking to visit Okinawa when it rains the least, you should plan your trip for June, May, September. During this time, rainfall is rare with the driest month being January with only 117 mm of rain.
For this page, we’ve looked at the typical weather in Okinawa, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.