Herisau in Spring
In spring (March, April and May), Herisau sees average daytime highs around 13°C and overnight lows near 5°C, with 357 mm of precipitation over about 47 wet days across the season. It is the 2nd-warmest season and the 2nd-wettest season.
Over the season highs climb from about 7°C in early March to 19°C by late May. The sky is clear or mostly clear about 24% of the time across spring, and the air most often feels dry.
Spring is Herisau's 3rd-best season to visit on our travel score. For the whole year in context, see Herisau's year-round climate.
- Avg daytime high
- 13°C
- 2nd-warmest season
- Avg overnight low
- 5°C
- Precipitation
- 357 mm
- 47 wet days
- Avg wind
- 7 km/h
- Travel score
- 3.1
- 3rd-best season
- Months
- Mar · Apr · May
Temperature in Herisau in Spring
Over the season highs climb from about 7°C in early March to 19°C by late May.
A typical spring day in Herisau reaches about 13°C and drops to 5°C overnight. The warmest of the three months is May, the coolest March.
How spring really feels in Herisau
Once humidity and wind are folded in, spring brings about 0 days that feel above 32°C and 20 that feel at or below 0°C.
The story in spring is cold — wind chill drags the overnight "feels like" below the raw low.
Herisau weather by month
How the three spring months (March, April and May) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 3° / -2° | 88 | 12.7 | 8.4 | 8.7 | 0.0 |
| Feb | 4° / -2° | 80 | 11.7 | 8.3 | 9.9 | 0.1 |
| Mar | 9° / 2° | 100 | 14.8 | 6.6 | 11.6 | 1.6 |
| Apr | 13° / 5° | 103 | 14.5 | 3.3 | 13.3 | 3.2 |
| May | 17° / 10° | 155 | 17.2 | 0.3 | 14.9 | 4.6 |
| Jun | 21° / 13° | 172 | 17.4 | 0 | 15.7 | 5.3 |
| Jul | 23° / 15° | 174 | 17.5 | 0 | 15.3 | 5.7 |
| Aug | 22° / 15° | 175 | 16.8 | 0 | 14.1 | 5.8 |
| Sep | 18° / 11° | 127 | 13.7 | 0 | 12.4 | 5.2 |
| Oct | 13° / 7° | 103 | 12.9 | 0.9 | 10.6 | 3.4 |
| Nov | 7° / 3° | 103 | 12.7 | 4.8 | 9.1 | 1.0 |
| Dec | 4° / -1° | 105 | 14.1 | 8.6 | 8.3 | 0.0 |
Cloud cover in Spring
The sky is clear or mostly clear about 24% of the time across spring.
Chance of precipitation in Spring
Herisau gets around 357 mm of rain and snow over 47 wet days across spring. The line is the day-by-day chance of measurable precipitation.
Humidity in Spring
Most of spring feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Spring
Winds average 7 km/h across spring.
Sunrise & sunset in Spring
Daylight runs from about 10 h 42 min in early March to 15 h 24 min by late May. The lit band spans sunrise to sunset each day.
Solar energy in Spring
Average shortwave solar energy reaching the ground each day across spring, about 4.4 kWh/m².
Is spring a good time to visit Herisau?
Our two travel scores rate spring for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
spring is a weaker month for outdoor sightseeing in Herisau.
What to pack for Herisau in Spring
From spring's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In spring, Herisau sees daytime highs around 13°C and nights near 5°C. Pack a warm layer and rain gear. Worth having: sun protection. About 47 days see rain.
UV index in Herisau in Spring
Clear-sky midday UV across spring averages around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Herisau peaks around July 16 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 2 | 4 | 5 | 7 | 7 | 8 | 7 | 4 | 3 | 2 | 1 |
| Level | Low | Moderate | Moderate | High | Very high | Very high | Very high | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 2 | Moderate |
| Mar | 4 | Moderate |
| Apr | 5 | High |
| May | 7 | Very high |
| Jun | 7 | Very high |
| Jul | 8 | Very high |
| Aug | 7 | High |
| Sep | 4 | Moderate |
| Oct | 3 | Moderate |
| Nov | 2 | Low |
| Dec | 1 | Low |
Where is Herisau?
Herisau sits at 47.4°N, 9.3°E, 780 m above sea level, in Switzerland. The nearest listed city is Gossau, 4.0 km away.
Topography around Herisau
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Herisau.
Within 3 km, the terrain around Herisau has significant variations in elevation — a maximum elevation change of 363 m around an average of 781 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,025 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,252 m.
The land around Herisau is covered by grassland (51%) and trees (35%) within 3 km, grassland (53%) and trees (40%) within 16 km, and trees (42%) and grassland (37%) within 80 km.
Switzerland travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / J
- 230 V · 50 Hz
- Prices
- ≈ 112% of US
- price level, 2025
- GDP per capita
- $114,769
- 2025
- Happiness
- 7.0 / 10
- World Happiness, 2025
- Safe drinking water
- 97%
- of population, 2024
- Homicide rate
- 0.6
- per 100k, 2023
- Road deaths
- 2.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- English
- High
- EF EPI 564
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Herisau (47.3862°, 9.2792°, elevation 780 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.