Kusatsu Onsen in February: weather, what to wear and what's on

Averages for 1991–2020 at the JMA's Kusatsu station (1,223 m above sea level).

High

0.7°C (33°F)

Low

−7.8°C (18°F)

Precipitation

66.1 mm

Wet days

10.7 days

Sunshine

148 hours

• Highs rise 1.1°C from January and climb another 4.0°C into March.
• That is 11.6°C below Kusatsu Onsen's yearly average high of 12.3°C.
• Of our 34 places with temperature records, Kusatsu Onsen is the 2nd coldest in February: 1.1°C cooler than Hakodate and 0.3°C warmer than Sapporo.
• February is Kusatsu Onsen's 3rd driest month (66.1 mm).
• Of our 35 places, Kusatsu Onsen has the 18th highest precipitation in February: 2.2 mm less than Ise and 1.0 mm more than Kyoto.
• Rain or snow of 1 mm or more falls on 10.7 days, and 10 mm or more on 2.0 days.
• The temperature drops below 0°C on 27.4 nights.
• On 12.9 days it stays below 0°C all day.
• 156 cm of snow falls in an average February; snow 5 cm or deeper lies on the ground on 28.3 days.
• The sun is out for 40% or more of the possible hours on 17.4 days, and 3.8 days have under 0.1 hours of sunshine.

Average temperature

−3.6°C (26°F)

Deepest snow (average of each year's deepest)

94 cm

Early, mid and late February

By the last ten days of February the average high in Kusatsu Onsen is 2.4°C higher than in the first ten.

By ten-day totals, 11–20 February is the wettest (24.9 mm) and 1–10 February the driest (18.3 mm).

Freezing: highs around 0.7°C

• A heavy winter coat (down or similar), thermal underwear, a hat, gloves and a scarf.
• Gloves and a hat for mornings and nights: the temperature drops below 0°C on 27.4 nights.
• A waterproof jacket with a hood: rain or snow falls on 10.7 days.

Shoes

• Waterproof boots with good grip: snow 5 cm or deeper lies on the ground on 28.3 days (deepest 94 cm on average).

Pack

• Waterproof jacket with a hood
• Gloves and a warm hat
• Thermal underwear
• Scarf
• Waterproof boots with grip

• Our clothing rules

National holidays in February 2027:

• Thu 11 February — National Foundation Day
• Tue 23 February — Emperor's Birthday

In February 2025, hotels and inns across Gunma Prefecture were 45.5% full on average (8th busiest of 12 months). Foreign guests spent 36,560 nights there that month (Japan Tourism Agency). That compares with 41.2% in January and 44.9% in March.

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