Kawagoe, located in Saitama Prefecture near Tokyo, experiences a humid subtropical climate with four distinct seasons. Summers are hot, humid, and rainy, while winters are cold, dry, and mostly clear. The city sees significant seasonal temperature changes and abundant rainfall, especially in summer and early autumn, making for a dynamic year-round weather experience.
The best times to travel section shows how the months compare for a visit, so you can find the time of year that fits what you want to do.
Background colors of the months:
The color shows the typical temperature: yellow (hot), green (mild) and blue (cold). How strong the color is shows the travel season: full color means high season, soft color means shoulder season and soft-striped means off season.
Weather symbols:
Each month has one symbol showing what the weather is typically like, such as hot and sunny, freezing or a rainy or snowy season. Use them to quickly spot months that match the weather you want, or to avoid the ones that don't.
Crowdedness:
The people icon shows how busy the place usually is. The more people, the more crowded it gets.
Additional notes:
The gray info boxes point out special things worth knowing, like recurring weather issues or seasonal events.
Kawagoe’s climate is characterized by hot, muggy summers and cold, mostly clear winters. Average annual temperatures range from 5°C in January to 28°C in August, with extremes rarely below -6°C or above 39°C. The hottest months are July and August, when daytime highs can reach 32°C, while January is the coldest, with average highs around 10°C and nighttime lows near 0°C. The city experiences significant temperature swings, with over 100 days above 25°C and about 30 days below freezing each year.
Kawagoe receives abundant precipitation, averaging 1,467–1,577 mm annually. The wettest months are June, July, September, and October, with September peaking at 212 mm over 19 rainy days. Winters are much drier, with December seeing just 41–56 mm of rain. Snowfall is rare but possible in winter. Sunshine is plentiful, especially in spring and autumn, with daily sunshine ranging from 6.7 hours in January to over 9 hours in April and May. Daylight varies from about 9 hours 44 minutes in winter to 14 hours 33 minutes in summer. Winds are generally light to moderate, but can be brisk during storms or in winter. UV levels are very high from May to August, so sun protection is recommended.
The city’s weather supports vibrant cherry blossoms in spring, lush greenery in summer, and colorful foliage in autumn. Kawagoe’s dynamic climate makes it suitable for a variety of outdoor activities, but visitors should be prepared for both intense summer heat and chilly winter days.
| Average climate data for Kawagoe, Japan | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Average maximum temperature (°F) | 47 | 49 | 56 | 64 | 75 | 79 | 87 | 90 | 81 | 71 | 60 | 51 | 90 |
| Average minimum temperature (°F) | 35 | 36 | 41 | 49 | 60 | 66 | 74 | 77 | 69 | 59 | 49 | 40 | 35 |
| Average precipitation (inch) | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 4 | 1 | 1 | 26 |
| Average rainfall days (days) | 5 | 7 | 12 | 13 | 13 | 18 | 17 | 16 | 15 | 15 | 9 | 6 | 146 |
| Average snowfall (inch) | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Average snowfall days (days) | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
| Average relative humidity (%) | 57 | 61 | 64 | 65 | 65 | 74 | 72 | 70 | 71 | 71 | 66 | 60 | 66 |
| Average wind speed (mph) | 7 | 7 | 7 | 7 | 6 | 6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 |
| Average daily daylight hours (h) | 10 | 10 | 12 | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 10 | 9 | 12 |
| Average daily sunshine hours (h) | 6 | 6 | 7 | 9 | 9 | 8 | 9 | 9 | 7 | 6 | 6 | 6 | 7 |
| Average cloud coverage (%) | 26 | 36 | 41 | 37 | 37 | 45 | 43 | 37 | 42 | 45 | 34 | 27 | 37 |
| Average UV index | 2 | 3 | 3 | 5 | 5 | 6 | 7 | 6 | 5 | 4 | 3 | 3 | 4 |
The best times to visit Kawagoe are in spring (late March to May) and autumn (October to November). These months offer mild temperatures, lower humidity, and abundant sunshine, making them ideal for sightseeing, cherry blossom or autumn foliage viewing, and outdoor activities. Rainfall is moderate and weather conditions are generally stable.
The least favorable time to visit Kawagoe is during the rainy season in June, July, September, and October, when humidity and rainfall are at their highest. Summer (July–August) can also be uncomfortably hot and humid, with frequent rain and high UV levels. Winter, while dry, is cold and less appealing for warm-weather activities.
Kawagoe’s average annual temperature ranges from 5°C in January to 28°C in August. The hottest month is August (average high 32°C), while January is the coldest (average high 10°C, low 0°C).
Yes, Kawagoe receives 1,467–1,577 mm of precipitation annually. The wettest months are June, July, September, and October, with September seeing up to 212 mm of rainfall. Winters are much drier.
Snow is rare in Kawagoe, but occasional light snowfall can occur in winter. Most winter days are cold and dry, with temperatures often near or just above freezing.
Cherry blossoms typically bloom from late March to early April in Kawagoe. This is a popular time for visitors, with many parks and riverside areas hosting hanami (blossom viewing) events.
Pack layers for spring and autumn, breathable clothing and rain gear for summer, and a warm jacket for winter. Sun protection is essential from May to August due to high UV levels.
Kawagoe enjoys abundant sunshine, especially in spring and autumn, with daily sunshine ranging from 6.7 hours in winter to over 9 hours in April and May. Daylight hours peak in summer.
Humidity is high in summer, especially from June to August, making the heat feel more intense. Spring and autumn are less humid and more comfortable for outdoor activities.
The warmest month, with the highest average maximum temperature, is August (89.7 °F). The month with the lowest average maximum temperature is January (47.1 °F). Overall, the average maximum temperature over the whole year is 67.5 °F.
The month with the highest average minimum temperature is August (76.5 °F). The coldest month, with the lowest average minimum temperature, is January (34.7 °F). Overall, the average minimum temperature over the whole year is 54.4 °F.
The wettest month, with the highest amount of precipitation, is October (4 inch). The driest month, with the least amount of precipitation, is December (0.8 inch). Over the whole year there are 26.5 inch of rainfall on average.
The month with the most days of rain is June (18.4 days). The month with the fewest days of rain is January (4.8 days). Over the whole year there are 146.2 days of rain on average.
The month with the most snowfall is February (1.5 inch). The months with the least snowfall are April, May, June, July, August, September, October and December (0 inch). Over the whole year there are 2.4 inch of snowfall on average.
The month with the most days of snowfall is February (2.1 days). The months with the fewest days of snowfall are April, May, June, July, August and October (0 days). Over the whole year there are 3.9 days of snowfall on average.
The month with the highest average relative humidity is June (73.7 %). The month with the lowest average relative humidity is January (57.3 %). The overall average relative humidity over the whole year is 66.4 %.
The windiest month, with the highest average wind speed, is April (7.2 mph). The calmest month, with the lowest average wind speed, is July (5.4 mph). The overall average wind speed over the whole year is 6.3 mph.
The month with the cloudiest skies, so the highest cloud coverage, is October (44.9 %). The month with the clearest skies, so the lowest cloud coverage, is January (25.7 %). Over the whole year there is an average cloud coverage of 37.4 %.
The month with the longest days, so the most daylight, is June (Average daylight: 14.1 h). The month with the shortest days, so the least daylight, is December (Average daylight: 9.1 h). Over the whole year there are 11.9 h of daylight per day on average.
The month with the most sunshine per day is August (Average sunshine: 9.2 h). The month with the least sunshine per day is January (Average sunshine: 5.9 h). Over the whole year there are 7.4 h of sunlight per day on average.
The month with the highest average UV index is July (UV index: 7). The month with the lowest average UV index is January (UV index: 2). Over the whole year the average UV index is 4.3.
