Saga weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Saga, Japan. Like most weather services, we show Saga at one spot: Saga, its largest city. At 8:30 AM local time it was clear and 13°C (56°F). Mostly light, on-and-off rain; heavier around 3 AM, 4 AM (10.7 mm total). Best months for weather: Oct–Nov.
Current conditions
- Clouds
- 1%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 3 AM, 4 AM (10.7 mm total)
Daily Forecast
Best Time to Visit
Peak season Oct–NovOff season Jun–Jul, Dec–Feb
About Saga weather
Is it raining in Saga right now?
No. It’s clear and 13° right now. Mostly light, on-and-off rain; heavier around 3 AM, 4 AM (10.7 mm total).
What’s the weather like in Saga this week?
Over the next 7 days, expect highs of 17–24° and lows of 10–15°. Rain is likely on 2 of 7 days (Monday, Thursday). The driest day looks like Tuesday.
Has it been raining in Saga lately?
In the past 7 days, Saga had 4 rainy days and 65.5 mm of rain in total.
What should I pack for Saga?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Saga weather by month
When is the best time to visit Saga?
Based on weather alone, the best time to visit Saga is Oct–Nov, according to NASA's 2001–2025 climate averages. Jun–Jul, Dec–Feb tends to be the least pleasant. Average highs run from 9°C (48°F) in January to 30°C (87°F) in August.
What is the rainiest month in Saga?
July is the wettest month, with about 352 mm (13.9 in) of rain on average. January is the driest, with about 71 mm (2.8 in).
What is the hottest month in Saga?
August is the warmest, with average highs of 30°C (87°F) and lows of 24°C (74°F). January is the coolest, with highs of 9°C (48°F) and lows of 3°C (37°F).
How warm is the sea in Saga?
The sea is warmest in August at about 33°C (91°F) and coolest in February at about 9°C (49°F). It is comfortable for swimming (22°C or more) in Jun–Oct.
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Saga), sea temperature from Open-Meteo Marine, forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Saga
Weather can differ a lot within Saga: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Saga | Oct–Nov | Apr–Sep | 9–30°C | 2,077 mm |
| Karatsu | Oct–Nov | Apr–Sep | 9–30°C | 1,963 mm |
| Tosu | May, Oct–Nov | May–Sep | 8–30°C | 1,899 mm |
| Imarichō-kō | Oct–Nov | Apr–Sep | 9–30°C | 1,963 mm |
| Takeo | Oct–Nov | Apr–Sep | 9–30°C | 2,077 mm |
| Ogi | Oct–Nov | Apr–Sep | 9–30°C | 1,963 mm |
| Kanzakimachi-kanzaki | May, Oct–Nov | May–Sep | 8–30°C | 1,899 mm |
| Kashima | Oct–Nov | Apr–Sep | 9–30°C | 2,077 mm |
| Ureshinomachi-shimojuku | Oct–Nov | Apr–Sep | 9–30°C | 2,077 mm |
| Nakatsukuma | May, Oct–Nov | May–Sep | 8–30°C | 1,899 mm |
| Higashigō | Oct–Nov | Apr–Sep | 9–30°C | 2,077 mm |
| Arita | Oct–Nov | Apr–Sep | 9–30°C | 2,077 mm |