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Appenzell Outer Rhodes, 793 m · continuously updated
Temperature · last 4 and next 28 hours
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Sunset –, golden light from –
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Daily maximum — protection advised from 3.
Snow settles about 300 m below it.
Neighbouring municipalities, as the crow flies.
Today (Saturday 14 Nov) in Herisau: freezing fog, −3 to 4 °C, precipitation 0.0 mm (0 %), wind up to 7 km/h. Tomorrow: light rain, 0 to 12 °C.
| Day | Weather | Min | Max | Precip. | Wind |
|---|---|---|---|---|---|
| Today | freezing fog | −3 °C | 4 °C | 0.0 mm | 7 km/h |
| Tomorrow | light rain | 0 °C | 12 °C | 0.0 mm | 8 km/h |
| Mon 16 Nov | showers | 4 °C | 7 °C | 9.2 mm | 26 km/h |
| Tue 17 Nov | light rain | 5 °C | 12 °C | 4.6 mm | 22 km/h |
| Wed 18 Nov | showers | 7 °C | 10 °C | 6.4 mm | 25 km/h |
| Thu 19 Nov | showers | 7 °C | 12 °C | 4.0 mm | 28 km/h |
| Fri 20 Nov | showers | 0 °C | 7 °C | 8.7 mm | 27 km/h |
No rain expected in Herisau today or tomorrow. The 15-minute detail for the next two hours is shown on demand.
Saturday 14 Nov in Herisau, hour by hour: fog in the morning, sunny in the afternoon, sunny in the evening. Low −3 °C around 08:00, high 4 °C around 14:00. No rainy hour.
| Time | Weather | Temp. | Precip. | Wind |
|---|---|---|---|---|
| 00:00 | sunny | −1 °C | 0.0 mm | 4 km/h |
| 01:00 | sunny | −1 °C | 0.0 mm | 4 km/h |
| 02:00 | sunny | −2 °C | 0.0 mm | 4 km/h |
| 03:00 | sunny | −2 °C | 0.0 mm | 3 km/h |
| 04:00 | sunny | −2 °C | 0.0 mm | 2 km/h |
| 05:00 | mostly sunny | −2 °C | 0.0 mm | 3 km/h |
| 06:00 | mostly sunny | −3 °C | 0.0 mm | 2 km/h |
| 07:00 | fog | −3 °C | 0.0 mm | 1 km/h |
| 08:00 | fog | −3 °C | 0.0 mm | 2 km/h |
| 09:00 | fog | −2 °C | 0.0 mm | 2 km/h |
| 10:00 | fog | −1 °C | 0.0 mm | 0 km/h |
| 11:00 | fog | 1 °C | 0.0 mm | 1 km/h |
| 12:00 | overcast | 2 °C | 0.0 mm | 1 km/h |
| 13:00 | partly cloudy | 3 °C | 0.0 mm | 2 km/h |
| 14:00 | mostly sunny | 4 °C | 0.0 mm | 3 km/h |
| 15:00 | mostly sunny | 4 °C | 0.0 mm | 3 km/h |
| 16:00 | sunny | 3 °C | 0.0 mm | 2 km/h |
| 17:00 | sunny | 2 °C | 0.0 mm | 3 km/h |
| 18:00 | sunny | 2 °C | 0.0 mm | 4 km/h |
| 19:00 | sunny | 2 °C | 0.0 mm | 4 km/h |
| 20:00 | sunny | 1 °C | 0.0 mm | 5 km/h |
| 21:00 | freezing fog | 0 °C | 0.0 mm | 6 km/h |
| 22:00 | overcast | 0 °C | 0.0 mm | 7 km/h |
| 23:00 | overcast | −1 °C | 0.0 mm | 7 km/h |
Today, Saturday 14 Nov in Herisau: freezing fog, −3 to 4 °C, wind up to 7 km/h. No precipitation expected. That is 3.7 °C below the climate normal for November in Herisau (4.4 °C average over 1991-2020).
Tomorrow, Sunday 15 Nov, in Herisau: light rain, 0 to 12 °C, wind up to 8 km/h. No precipitation expected.
Today in Herisau (793 m): −3 to 4 °C. Tomorrow: 0 to 12 °C. Over the next 7 days, highs range from 4 to 12 °C, averaging 9 °C.
This weekend in Herisau: Saturday freezing fog, −3 to 4 °C; Sunday light rain, 0 to 12 °C.
Yes: 5 days with precipitation are expected in Herisau over the next 7 days, 32.9 mm in total. Wettest day: Monday 16 Nov (9.2 mm).
Snowfall expected in Herisau (793 m): Friday 20 Nov. Estimated total: 3.1 cm.
Today in Herisau (793 m), the UV index peaks at 2 (low) around midday. No particular protection is needed. In the mountains, radiation rises by about 10 % per 1,000 m, and snow reflects up to 80 % of it.
The best day of the next 7 in Herisau: Saturday 14 Nov, freezing fog, up to 4 °C.
In Herisau (793 m), the mean annual temperature is 8.4 °C. The warmest month is July (17.0 °C on average) and the coldest January (0.4 °C). About 1530 mm of precipitation falls per year, peaking in August (176 mm) with a minimum in February (89 mm). The sun shines for about 1589 hours a year, mostly in July (222 h). On average there are 94 frost days and 2 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 28.5 °C and the absolute minimum −10.5 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | 0.4 °C | 11.9 °C | −10.5 °C | 100 | 56 | 22 | 0 |
| Feb | 0.8 °C | 12.6 °C | −10.1 °C | 89 | 79 | 19 | 0 |
| Mar | 3.9 °C | 16.0 °C | −6.8 °C | 111 | 130 | 14 | 0 |
| Apr | 7.5 °C | 19.6 °C | −3.2 °C | 104 | 165 | 6 | 0 |
| May | 11.6 °C | 23.9 °C | 1.6 °C | 151 | 182 | 0 | 2 |
| Jun | 15.1 °C | 27.2 °C | 5.4 °C | 162 | 196 | 0 | 6 |
| Jul | 17.0 °C | 28.5 °C | 8.0 °C | 172 | 222 | 0 | 9 |
| Aug | 16.8 °C | 28.0 °C | 7.4 °C | 176 | 204 | 0 | 8 |
| Sep | 12.9 °C | 23.7 °C | 3.7 °C | 134 | 150 | 0 | 1 |
| Oct | 9.2 °C | 20.6 °C | −0.5 °C | 108 | 100 | 2 | 0 |
| Nov | 4.4 °C | 16.6 °C | −5.4 °C | 104 | 58 | 11 | 0 |
| Dec | 1.4 °C | 12.6 °C | −9.1 °C | 120 | 47 | 20 | 0 |
| Year | 8.4 °C | 28.5 °C | −10.5 °C | 1530 | 1589 | 94 | 26 |
Herisau sits at around 793 m above sea level in the canton of Appenzell Outer Rhodes. This elevation directly affects temperatures, the rain-snow line and snow cover: on average, the temperature drops by about 0.55 °C per 100 m of altitude.
The warmest month in Herisau is July, averaging 17.0 °C; the coldest is January, at 0.4 °C. The annual mean is 8.4 °C (MeteoSwiss 1991–2020 normals, reference station St. Gallen).
Herisau receives about 1530 mm of precipitation a year, or 128 mm a month on average. The wettest month is August (176 mm) and the driest February (89 mm), according to the MeteoSwiss 1991–2020 normals.
Herisau averages 94 frost days a year, most of them in January (22 days). Conversely, 26 summer days exceed 25 °C, 2 of them above 30 °C. Mean values from the MeteoSwiss 1991–2020 normals.
The sun shines for about 1589 hours a year in Herisau. The sunniest month is July (222 h) and the least sunny December (47 h), according to the MeteoSwiss 1991–2020 normals.
In Herisau, the monthly mean rises from 0.4 °C in January to 17.0 °C in July: a 16.6 °C gap between the coldest and the warmest month. Absolute extremes over 1991–2020 range from −10.5 °C to 28.5 °C.
For warmth and sunshine: July (17.0 °C on average, 222 h of sun). To avoid rain, February is the driest month (89 mm). The coldest month is January (0.4 °C).
Source: MeteoSwiss open data (1991–2020 normals) — stations St. Gallen (10 km, 776 m), Säntis (15 km, 2501 m), Ebnat-Kappel (18 km, 623 m), adjusted to the elevation of Herisau (793 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.