- Explore latest offers on Fred Olsen Cruises in 2026/2027
- Find last minute deals or early bird discounts
- Filter offers by price, destination, ship & departure point
Ishigaki weather by month
Check out Ishigaki weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Ishigaki (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 20 |
21 |
23 |
26 |
28 |
30 |
32 |
31 |
30 |
28 |
25 |
22 |
| Min temperature (night-time) | 15 |
16 |
18 |
20 |
23 |
26 |
27 |
26 |
25 |
23 |
20 |
17 |
| Heat & Humidity | 0 |
0 |
0 |
L |
M |
H |
VH |
VH |
H |
M |
L |
0 |
| Sea temperature | 23 |
23 |
23 |
25 |
26 |
28 |
29 |
29 |
28 |
27 |
26 |
24 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & UV index in Ishigaki
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 11 |
11 |
12 |
13 |
13 |
14 |
13 |
13 |
12 |
12 |
11 |
11 |
| UV Index (Maximum) | 7 |
9 |
11 |
11 |
11 |
11 |
11 |
11 |
11 |
9 |
7 |
6 |
Rainfall in Ishigaki
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 24 |
22 |
23 |
20 |
22 |
20 |
20 |
22 |
22 |
22 |
24 |
24 |
| Average monthly rainfall (mm) | 153 |
140 |
143 |
162 |
215 |
207 |
172 |
235 |
237 |
202 |
197 |
146 |
More about Ishigaki
Ishigaki by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Japan
The climate guide for Japan (Ishigaki) 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 Ishigaki?
Ishigaki has a hot tropical climate with no dry season.
Ishigaki weather in January
Expect daytime maximum temperatures of 20°C in Ishigaki, Japan in January based on long-term weather averages. There are 3 hours of sunshine per day on average with 24 days with some rainfall and typically 153 mm of rainfall in the month.
- 20°C max day temperature
20 - 3 hours of sunshine per day
- 24 days with some rainfall
24 - 15°C min night temperature
15 - 11 hours of daylight per day
11 - No heat & humidity
0 - 153 mm of monthly rainfall
153 - 7 (High) UV index
7 - 23°C sea temperature
23
Ishigaki weather in February
Expect daytime maximum temperatures of 21°C in Ishigaki, Japan in February based on long-term weather averages. There are 3 hours of sunshine per day on average with 22 days with some rainfall and typically 140 mm of rainfall in the month.
- 21°C max day temperature
21 - 3 hours of sunshine per day
- 22 days with some rainfall
22 - 16°C min night temperature
16 - 11 hours of daylight per day
11 - No heat & humidity
0 - 140 mm of monthly rainfall
140 - 9 (Very High) UV index
9 - 23°C sea temperature
23
Ishigaki weather in March
Expect daytime maximum temperatures of 23°C in Ishigaki, Japan in March based on long-term weather averages. There are 3 hours of sunshine per day on average with 23 days with some rainfall and typically 143 mm of rainfall in the month.
- 23°C max day temperature
23 - 3 hours of sunshine per day
- 23 days with some rainfall
23 - 18°C min night temperature
18 - 12 hours of daylight per day
12 - No heat & humidity
0 - 143 mm of monthly rainfall
143 - 11 (Extreme) UV index
11 - 23°C sea temperature
23
Ishigaki weather in April
Expect daytime maximum temperatures of 26°C in Ishigaki, Japan in April based on long-term weather averages. There are 5 hours of sunshine per day on average with 20 days with some rainfall and typically 162 mm of rainfall in the month.
- 26°C max day temperature
26 - 5 hours of sunshine per day
- 20 days with some rainfall
20 - 20°C min night temperature
20 - 13 hours of daylight per day
13 - Low heat & humidity
L - 162 mm of monthly rainfall
162 - 11+ (Extreme) UV index
11 - 25°C sea temperature
25
Ishigaki weather in May
Expect daytime maximum temperatures of 28°C in Ishigaki, Japan in May and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 22 days with some rainfall and typically 215 mm of rainfall in the month.
- 28°C max day temperature
28 - 5 hours of sunshine per day
- 22 days with some rainfall
22 - 23°C min night temperature
23 - 13 hours of daylight per day
13 - Moderate heat & humidity
M - 215 mm of monthly rainfall
215 - 11+ (Extreme) UV index
11 - 26°C sea temperature
26
Ishigaki weather in June
Expect daytime maximum temperatures of 30°C in Ishigaki, Japan in June and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 20 days with some rainfall and typically 207 mm of rainfall in the month.
- 30°C max day temperature
30 - 6 hours of sunshine per day
- 20 days with some rainfall
20 - 26°C min night temperature
26 - 14 hours of daylight per day
14 - High heat & humidity
H - 207 mm of monthly rainfall
207 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
Ishigaki weather in July
Expect daytime maximum temperatures of 32°C in Ishigaki, Japan in July and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 20 days with some rainfall and typically 172 mm of rainfall in the month.
- 32°C max day temperature
32 - 8 hours of sunshine per day
- 20 days with some rainfall
20 - 27°C min night temperature
27 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 172 mm of monthly rainfall
172 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
Ishigaki weather in August
Expect daytime maximum temperatures of 31°C in Ishigaki, Japan in August and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 22 days with some rainfall and typically 235 mm of rainfall in the month.
- 31°C max day temperature
31 - 7 hours of sunshine per day
- 22 days with some rainfall
22 - 26°C min night temperature
26 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 235 mm of monthly rainfall
235 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
Ishigaki weather in September
Expect daytime maximum temperatures of 30°C in Ishigaki, Japan in September and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 22 days with some rainfall and typically 237 mm of rainfall in the month.
- 30°C max day temperature
30 - 6 hours of sunshine per day
- 22 days with some rainfall
22 - 25°C min night temperature
25 - 12 hours of daylight per day
12 - High heat & humidity
H - 237 mm of monthly rainfall
237 - 11 (Extreme) UV index
11 - 28°C sea temperature
28
Ishigaki weather in October
Expect daytime maximum temperatures of 28°C in Ishigaki, Japan in October based on long-term weather averages. There are 5 hours of sunshine per day on average with 22 days with some rainfall and typically 202 mm of rainfall in the month.
- 28°C max day temperature
28 - 5 hours of sunshine per day
- 22 days with some rainfall
22 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - Moderate heat & humidity
M - 202 mm of monthly rainfall
202 - 9 (Very High) UV index
9 - 27°C sea temperature
27
Ishigaki weather in November
Expect daytime maximum temperatures of 25°C in Ishigaki, Japan in November based on long-term weather averages. There are 3 hours of sunshine per day on average with 24 days with some rainfall and typically 197 mm of rainfall in the month.
- 25°C max day temperature
25 - 3 hours of sunshine per day
- 24 days with some rainfall
24 - 20°C min night temperature
20 - 11 hours of daylight per day
11 - Low heat & humidity
L - 197 mm of monthly rainfall
197 - 7 (High) UV index
7 - 26°C sea temperature
26
Ishigaki weather in December
Expect daytime maximum temperatures of 22°C in Ishigaki, Japan in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 24 days with some rainfall and typically 146 mm of rainfall in the month.
- 22°C max day temperature
22 - 3 hours of sunshine per day
- 24 days with some rainfall
24 - 17°C min night temperature
17 - 11 hours of daylight per day
11 - No heat & humidity
0 - 146 mm of monthly rainfall
146 - 6 (High) UV index
6 - 24°C sea temperature
24
More about Ishigaki
Ishigaki by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Japan
- Explore latest offers on Fred Olsen Cruises in 2026/2027
- Find last minute deals or early bird discounts
- Filter offers by price, destination, ship & departure point
The climate guide for Japan (Ishigaki) 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.
Compare Ishigaki weather with the UK
The weather chart below compares the average monthly maximum daytime temperature for Ishigaki, Japan and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
More about Japan
Be inspired
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Related posts
Popular travel offers
Explore holiday destinations
- Beach holidays
- City breaks
- Family holidays
- Half term holidays
- Spring holidays
- Summer holidays
- Autumn holidays
- Winter sun holidays
- Honeymoons
- Coolcations
- Compare places
- Ski resorts
Save with latest deals & discounts
- Holiday offers
- Top travel brands
- Airlines & flights
- Discount hotels
- TUI
- Jet2holidays
- Neilson
- Marella Cruises
- Holiday Extras
- Pierre & Vacances
- Caledonian Travel
- Club Med
Airport parking
- Manchester Airport
- Stansted Airport
- Bristol Airport
- Luton Airport
- Birmingham Airport
- Edinburgh Airport
- Gatwick Airport
- Glasgow Airport
- Newcastle Airport
Airport lounges
- Manchester Airport
- Birmingham Airport
- Bristol Airport
- Edinburgh Airport
- Glasgow Airport
- Heathrow Airport
- Newcastle Airport
- Stansted Airport
- Gatwick Airport










Cruise deal finder