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Weather Zullwil

7-day forecast for Zullwil

Today (Thursday 20 Aug) in Zullwil: thunderstorms, 19 to 25 °C, precipitation 15.5 mm (93 %), wind up to 20 km/h. Tomorrow: showers, 13 to 20 °C.

DayWeatherMinMaxPrecip.Wind
Todaythunderstorms19 °C25 °C15.5 mm20 km/h
Tomorrowshowers13 °C20 °C9.0 mm9 km/h
Sat 22 Augovercast11 °C20 °C0.0 mm13 km/h
Sun 23 Augpartly cloudy11 °C22 °C0.0 mm10 km/h
Mon 24 Augovercast12 °C26 °C0.0 mm9 km/h
Tue 25 Auglight rain17 °C24 °C3.9 mm6 km/h
Wed 26 Augovercast17 °C28 °C0.0 mm8 km/h

Forecast updated on 20.08.2026 at 15:41 (Open-Meteo model, elevation 663 m). The interactive block at the top refreshes hourly and covers 16 days.

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About Zullwil

Zullwil is a Swiss municipality located in the canton of Solothurn (SO), at 47.386° latitude and 7.599° longitude. The municipality is part of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Also known as Zullwil, Zullwil benefits from precise weather monitoring with hourly and 15-day forecasts.

663m Elevation
Foothills Zone
Snow & altitude climate In the foothills snow lies for a few weeks each winter and inversion fog is common in the valley bottoms.

Climate of Zullwil

The climate in Zullwil is characteristic of the Swiss plateau, transitional temperate oceanic climate with four distinct seasons. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Zullwil and neighboring municipalities.

On this page you will find the detailed weather forecast for Zullwil: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.

Climate of Zullwil: 1991–2020 normals

In Zullwil (663 m), the mean annual temperature is 8.7 °C. The warmest month is July (17.9 °C on average) and the coldest January (−0.1 °C). About 1007 mm of precipitation falls per year, peaking in May (108 mm) with a minimum in February (57 mm). The sun shines for about 1621 hours a year, mostly in July (240 h). On average there are 88 frost days and 13 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.7 °C and the absolute minimum −10.9 °C.

8.7 °CMean annual temperature
1007 mmPrecipitation per year
1621 hSunshine hours per year
88Frost days per year
55Summer days (≥ 25 °C)
JFMAMJJASOND

Mean monthly precipitation (mm) — bar height relative to the wettest month.

MonthMean TAbs. maxAbs. minPrecip. (mm)Sunshine (h)Frost daysSummer days
Jan−0.1 °C11.3 °C−10.9 °C6452200
Feb0.7 °C13.2 °C−10.2 °C5782190
Mar4.6 °C18.3 °C−6.6 °C62136150
Apr8.3 °C22.8 °C−3.2 °C7316751
May12.4 °C26.6 °C1.0 °C10818104
Jun16.1 °C30.2 °C5.1 °C101205012
Jul17.9 °C31.7 °C7.5 °C107240017
Aug17.5 °C30.9 °C6.8 °C107216016
Sep13.2 °C25.7 °C2.9 °C8315105
Oct8.9 °C21.2 °C−1.2 °C859820
Nov3.8 °C15.3 °C−5.6 °C775190
Dec0.6 °C11.8 °C−9.8 °C8342180
Year8.7 °C31.7 °C−10.9 °C100716218855

Source: MeteoSwiss open data (1991–2020 normals) — stations Basel / Binningen (17 km, 316 m), Delémont (19 km, 439 m), Wynau (20 km, 422 m), adjusted to the elevation of Zullwil (663 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.

Nearby cities

Check the weather of cities near Zullwil:

Frequently asked questions about weather in Zullwil

What is the weather in Zullwil today?

At the top of the page you will find the current temperature, precipitation and wind in Zullwil, updated in real time.

What is the 15-day forecast for Zullwil?

The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Zullwil.

Will it rain tomorrow in Zullwil?

Check the 48-hour hourly forecast to see exactly when precipitation is expected in Zullwil.

What is the air quality in Zullwil?

The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Zullwil.

Are there weather alerts for Zullwil?

Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.

At what altitude is Zullwil located?

Zullwil sits at around 663 m above sea level in the canton of Solothurn. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.

What is the warmest month in Zullwil?

The warmest month in Zullwil is July, averaging 17.9 °C (1991–2020 normal). The coldest is January at −0.1 °C.

How much does it rain in Zullwil per year?

Zullwil receives about 1007 mm of precipitation a year. The wettest month is May (108 mm), the driest February (57 mm).

When is the best time to visit Zullwil?

For warmth and sunshine: July (17.9 °C on average, 240 h of sun). The coldest month is January (−0.1 °C). Check the 15-day forecast above for your dates.