Mount Fuji in July: weather, what to wear and what's on

Mount Fuji weather in July

Averages for 1991–2020 at the JMA's Kawaguchiko station (860 m above sea level).

High

27.2°C (81°F)

Low

18.0°C (64°F)

Precipitation

178.4 mm

Wet days

11.7 days

Sunshine

148 hours

Highs rise 4.2°C from June and climb another 0.9°C into August.

That is 10.4°C above Kawaguchiko's yearly average high of 16.8°C.

Of our 14 places with temperature records, Kawaguchiko is the 3rd coldest in July: 1.0°C cooler than Shirakawa-go and 0.5°C warmer than Nikko.

July is Kawaguchiko's 3rd wettest month (178.4 mm).

Of our 15 places, Kawaguchiko has the 5th lowest precipitation in July: 9.7 mm less than Naha and 4.0 mm more than Osaka.

Rain of 1 mm or more falls on 11.7 days, and 10 mm or more on 5.1 days.

Rain of 30 mm or more in one day falls on 1.5 days, and 50 mm or more on 0.7 days.

8.2 days reach 30°C or more.

The sun is out for 40% or more of the possible hours on 12.7 days, and 3.7 days have under 0.1 hours of sunshine.

On the summit of Mt Fuji (3,775 m), the average high is 8.0°C (46°F) and the low 2.8°C (37°F).

Average temperature

21.9°C (71°F)

Humidity

81%

Days of 25°C or more

22.3 days

Early, mid and late July

By the last ten days of July the average high in Kawaguchiko is 2.2°C higher than in the first ten.

By ten-day totals, 1–10 July is the wettest (66.3 mm) and 11–20 July the driest (49.1 mm).

What to wear at Mount Fuji in July

Warm: highs around 27.2°C

This is for Kawaguchiko (860 m above sea level).

• Short sleeves or thin long sleeves, with a light layer for air-conditioning and evenings.
• Humidity averages 81%: quick-dry fabrics are more comfortable.
• An umbrella: rain falls on 11.7 days.

Climbing Mt Fuji: the summit averages a high of 8.0°C (46°F) and a low of 2.8°C (37°F) in July. Pack warm, windproof layers.

Pack

• Umbrella
• Quick-dry clothes
• A light layer for air-conditioning

• Our clothing rules

Rainy season and typhoons

In an average year (1991–2020) the JMA says the rainy season in Kanto-Koshin starts around 7 June and ends around 19 July. In 2026 it started around 7 June and ended around 20 July.

In an average July, 0.4 typhoons come within 300 km of the Kanto-Koshin region; across Japan, 2.1 come within 300 km and 0.6 make landfall (JMA, 1991–2020).

July records at Mount Fuji

The extremes the JMA has measured in July at its Kawaguchiko station.

Hottest July day

35.3°C (96°F) on 12 July 2013 (records since 1933); also on 16 July 1946

Coldest July night

4.2°C (40°F) on 3 July 1976 (records since 1933)

Wettest July day

216.7 mm on 22 July 1958 (records since 1933)

Holidays and crowds in July

National holidays in July 2027:

• Mon 19 July — Marine Day

• Sat 17 July to Mon 19 July: 3 days off in a row

In July 2025, hotels and inns across Yamanashi Prefecture were 48.8% full on average (2nd busiest of 12 months). Foreign guests spent 242,270 nights there that month (Japan Tourism Agency). That compares with 38.4% in June and 60.5% in August.

• Japan in July: visitor numbers and busy travel days
• Holidays in July

What's on at Mount Fuji in July

Not held, or changed

Kawaguchiko Herb Festival. Ended as an event after fiscal year 2025. Lavender and other plants can still be seen at Oishi Park and Yagizaki Park, with no set event period. Large buses are asked to drop off and pick up at the Oishi Park temporary car park. The festival used to run in June and July (24 June to 17 July in 2023).

Official page

Mount Fuji before and after July

• Mount Fuji in June
• Mount Fuji in August
• All 12 months at Mount Fuji

Other places in July

• All 15 places in July

Related items

• Mount Fuji by month
• Japan in July
• Mount Fuji in June
• Mount Fuji in August