Saga, Japan Weather

Saga,  Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
31°C
87.8°F
°C °F

Condition: Mainly Clear

Pressure: 1,006 hPa

Feel like: 37 °C

Temperature: 31°C

Cloud: 22%

Humidity: 74%

Wind: NNE - 7 km/h

Visibility: 21.74 km

Weather forecast

Wed
05 Aug
28°C / 36°C
Clear Sky
Thu
06 Aug
27°C / 35°C
Moderate Drizzle
Fri
07 Aug
26°C / 34°C
Slight Thunderstorm
Sat
08 Aug
25°C / 34°C
Overcast
Sun
09 Aug
26°C / 32°C
Drizzle
Hourly forecast today:
11:00 AM
25° / 31°
25° / 31°
Mainly Clear
74% 9 km/h
12:00 PM
25° / 30°
25° / 30°
Clear Sky
75% 11 km/h
13:00 PM
25° / 30°
25° / 30°
Mainly Clear
77% 11 km/h
14:00 PM
25° / 29°
25° / 29°
Mainly Clear
79% 10 km/h
15:00 PM
25° / 29°
25° / 29°
Mainly Clear
80% 7 km/h
16:00 PM
25° / 28°
25° / 28°
Mainly Clear
82% 7 km/h
17:00 PM
25° / 28°
25° / 28°
Mainly Clear
83% 10 km/h
18:00 PM
24° / 27°
24° / 27°
Mainly Clear
84% 11 km/h
19:00 PM
24° / 27°
24° / 27°
Clear Sky
85% 12 km/h
20:00 PM
24° / 27°
24° / 27°
Mainly Clear
85% 10 km/h
21:00 PM
24° / 27°
24° / 27°
Mainly Clear
85% 11 km/h

30 Day Averages and Extremes

  • Average high 34.0°C
  • Average low 25.07°C
  • Hottest day 39°C (02 August 2026)
  • Coldest day 23°C (30 July 2026)
  • Average humidity 71.77%
  • Days with precipitation 27 days
  • Highest precipitation 51 mm (10 August 2026)

Yesterday's Data

  • Max: 35°C
  • Min: 27°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Saga over the next 12 hours

Temperature and possibility of rain in Saga in the coming days

Rainfall in Saga in the coming days

Saga Climate Summary

Saga features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 17.45ºC (63.41ºF), which is about 2.26% higher than the national average for Japan. Annually, the city experiences approximately 100.22 millimeters (3.95 inches) of rainfall, spread across 128.72 rainy days, accounting for 35.27% of the year.

Longitude 33.2631179
Latitude 130.3009057
Yearly high temperature 19.91ºC (67.84ºF)
Yearly low temperature 13.38ºC (56.08ºF)
Hottest month August 31.38ºC (88.48ºF)
Coldest month January 3.49ºC (38.28ºF)
Yearly precip 100.22mm (3.95in)
Days with rainfall 128.72 days (35.27%)
Driest month January (71.71%)
Wettest month July (81.85%)

Weather averages by month

Month High / Low (°C) Rain
January 8.89° / 3.49° 6.73 days
February 10.36° / 4.23° 8.73 days
March 13.8° / 6.66° 8.91 days
April 18.41° / 10.43° 10.09 days
May 23.33° / 15.06° 9.45 days
June 25.74° / 19.37° 15.18 days
July 29.31° / 23.11° 17.82 days
August 31.38° / 24.35° 15.91 days
September 27.43° / 21.02° 13.18 days
October 22.47° / 16.07° 6.45 days
November 17.02° / 11.12° 7.91 days
December 10.74° / 5.6° 8.36 days

Frequently asked questions

1. What is the hottest month in Saga?

August has the highest average monthly temperature (daily mean of 31.38ºC) and January are the coolest (daily mean of 3.49ºC).

2. What should I wear in Saga today?

For today's very hot weather in Saga, with the high temperatures above 38ºC (100.4ºF), consider wearing:
- Ultra-thin, breathable socks
- UV-blocking sunglasses
- Broad-brimmed sun hat
- Lightweight, loose-fitting shorts

Temperature

Early
25°C / 34°C
Morning
26°C / 33°C
Afternoon
25°C / 29°C
Evening
24°C / 27°C

Air quality

Unhealthy for Sensitive Groups

Unhealthy for Sensitive Groups air quality, health effects possible for sensitive people, general public usually unaffected

  • CO2 466
  • CO 333
  • NH3 0
  • NO2 16
  • O3 122
  • PM10 17
  • PM25 17
  • SO2 5
  • CH4 1,820

Sunrise / Sunset

20:34
10:15