Sendai weather in 2023
Sendai weather in 2023, with 365 daily observations from Open-Meteo archive data.
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Use the graph view to inspect 2023 alongside other available years for Sendai.
Year summary
In 2023, Sendai averaged 18.4 C for daily highs and 9.0 C for daily lows.
A 1991-2020 normal is not available for this location yet, so this page compares 2023 with the 2023-2025 archive baseline. The 2023 average daily high was +0.2 C from that baseline, and total precipitation was +13.3 mm from the baseline total.
The warmest month was August, with an average high of 31.2 C, while January had the lowest average low at -2.9 C.
The wettest month was September, totaling 280.1 mm. The hottest day reached 35.0 C on July 30, 2023.
Monthly averages and precipitation
| Month | Avg low C | Avg high C | Rain and snow mm | Days |
|---|---|---|---|---|
| January | -2.9 | 5.2 | 28.6 | 31 |
| February | -2.7 | 6.4 | 71.1 | 28 |
| March | 1.5 | 13.3 | 74.9 | 31 |
| April | 5.5 | 17.6 | 62.1 | 30 |
| May | 10.3 | 20.6 | 159.3 | 31 |
| June | 16.1 | 24.3 | 205.7 | 30 |
| July | 20.8 | 29.5 | 115.8 | 31 |
| August | 23.9 | 31.2 | 106.2 | 31 |
| September | 20.5 | 27.5 | 280.1 | 30 |
| October | 9.9 | 20.0 | 49.6 | 31 |
| November | 4.9 | 14.7 | 90.2 | 30 |
| December | -0.1 | 9.2 | 81.0 | 31 |
Daily records in 2023
| Record | Date | Value |
|---|---|---|
| Hottest day | July 30, 2023 | 35.0 C |
| Coldest night | January 29, 2023 | -8.9 C |
| Wettest day | September 6, 2023 | 69.3 mm |
Related pages
Weather data source: Open-Meteo Archive API. City metadata source: GeoNames cities15000.