Nasu weather in April
Averages for 1991–2020 at the JMA's Nasu Kogen station (749 m above sea level).
- High
- 13.0°C (55°F)
- Low
- 2.6°C (37°F)
- Precipitation
- 139.6 mm
- Wet days
- 11.3 days
- Sunshine
- 170 hours
- Highs rise 6.2°C from March and climb another 5.2°C into May.
- That is 0.9°C below Nasu's yearly average high of 13.9°C.
- Of our 34 places with temperature records, Nasu is the 4th coldest in April: 0.7°C cooler than Aomori and 1.0°C warmer than Hakodate.
- April is Nasu's 6th driest month (139.6 mm).
- Of our 35 places, Nasu has the 13th highest precipitation in April: 1.4 mm less than Hiroshima and 5.1 mm more than Toyama.
- Rain or snow of 1 mm or more falls on 11.3 days, and 10 mm or more on 4.0 days.
- Rain or snow of 30 mm or more in one day falls on 1.4 days, and 50 mm or more on 0.6 days.
- The temperature drops below 0°C on 7.7 nights.
- 7 cm of snow falls in an average April; snow 5 cm or deeper lies on the ground on 0.5 days.
- The sun is out for 40% or more of the possible hours on 16.1 days, and 5.7 days have under 0.1 hours of sunshine.
- Average temperature
- 7.8°C (46°F)
- Deepest snow (average of each year's deepest)
- 5 cm
Early, mid and late April
| Days | High | Low | Precipitation |
|---|---|---|---|
| 1–10 April | 11.0°C | 0.9°C | 37.9 mm |
| 11–20 April | 13.0°C | 2.7°C | 47.5 mm |
| 21–30 April | 15.1°C | 4.4°C | 54.2 mm |
By the last ten days of April the average high in Nasu is 4.1°C higher than in the first ten.
By ten-day totals, 21–30 April is the wettest (54.2 mm) and 1–10 April the driest (37.9 mm).
What to wear in Nasu in April
- A warm jacket or light coat over a sweater.
- Gloves and a hat for mornings and nights: the temperature drops below 0°C on 7.7 nights.
- Layers you can take off: afternoons are 10.4°C warmer than early mornings on average.
- An umbrella: rain or snow falls on 11.3 days.
Pack
- Umbrella
- Gloves and a warm hat
Holidays and crowds in April
National holidays in April 2027:
- Thu 29 April — Showa Day
In April 2025, hotels and inns across Tochigi Prefecture were 54.7% full on average (8th busiest of 12 months). Foreign guests spent 51,260 nights there that month (Japan Tourism Agency). That compares with 54.9% in March and 55.3% in May.
Frequently asked questions
What is the weather like in Nasu in April?
The average high is 13.0°C (55°F) and the average low 2.6°C (37°F). 139.6 mm of rain or snow falls on about 11.3 days (JMA, 1991–2020).
What should I wear in Nasu in April?
A warm jacket or light coat over a sweater. Gloves and a hat for mornings and nights: the temperature drops below 0°C on 7.7 nights. Layers you can take off: afternoons are 10.4°C warmer than early mornings on average. An umbrella: rain or snow falls on 11.3 days.
Is Nasu busy in April?
In April 2025, hotels and inns across Tochigi Prefecture were 54.7% full on average (8th busiest of 12 months). Foreign guests spent 51,260 nights there that month (Japan Tourism Agency).
What are the record temperatures for April in Nasu?
The highest temperature the JMA has recorded in Nasu in April is 26.8°C (80°F), on 22 April 2018. The lowest is −6.0°C (21°F), on 1 April 1987.
April records in Nasu
The extremes the JMA has measured in April at its Nasu Kogen station.
- Hottest April day
- 26.8°C (80°F) on 22 April 2018 (records since 1978)
- Coldest April night
- −6.0°C (21°F) on 1 April 1987 (records since 1978)
- Wettest April day
- 125.0 mm on 15 April 1982 (records since 1976)
- Deepest April snow
- 43 cm on 17 April 2010 (records since 1990)
- Most snow in one April day
- 38 cm on 17 April 2010 (records since 1990)
Nasu before and after April
Other places in April
| Place | High | Against Nasu | Wet days | Against Nasu |
|---|---|---|---|---|
| NikkoImaichi | 16.1°C | +3.1°C | 10.9 days | −0.4 days |
| Niigata | 16.1°C | +3.1°C | 11.5 days | +0.2 days |
| Kusatsu Onsen | 11.5°C | −1.5°C | 11.0 days | −0.3 days |
| Sendai | 15.5°C | +2.5°C | 7.7 days | −3.6 days |
| Karuizawa | 14.3°C | +1.3°C | 8.9 days | −2.4 days |
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Sources for this page
- Normals for 1991–2020: Nasu Kogen (那須高原), month by month (平年値 年・月ごとの値)Japan Meteorological Agency (JMA)
- Normals for 1991–2020: Nasu Kogen (那須高原), rain days, temperature days and snow (詳細)Japan Meteorological Agency (JMA)
- Ten-day normals for 1991–2020: Nasu Kogen (那須高原) (平年値 旬ごとの値)Japan Meteorological Agency (JMA)
- Records for April: Nasu Kogen (那須高原) (観測史上1〜10位の値)Japan Meteorological Agency (JMA)
- National holidays (国民の祝日について)Cabinet Office
- Overnight Travel Statistics Survey, 2025 final figures (宿泊旅行統計調査 2025年 年の確定値)Japan Tourism Agency
