The Frontier Gazette & Almanack
“Fair Warning for Every Town Under the Sky” · Est. 1881
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Solothurn Weather in May

Solothurn in May

The short of it: Solothurn in May averages a high of 19 °C (66 °F) and a low of 8 °C (47 °F), with 108 mm (4.3 in) of rain and about 15 h 4 min of daylight. Rated 3 of 5 for a visit; the best months are June and August. Source: TerraClimate climate normals, 1991–2020.

Average high 19° · low 8° · rain 108 mm · daylight 15 h 4 min

✦✦✦ Fair for a visit · best months: June & August

May in Solothurn brings afternoons near 19° and nights around 8°, with about 108 mm of rain over the month. Much like April: highs about 19°, nights near 8°. Easy travelling weather. It is the wettest month of the year here, about 108 mm.

The sun is up for about 15 h 4 min in mid-May, 91 minutes more than a month before.

For the traveller: pack layers, a wool coat and stout boots, and an oilskin besides. The Almanac rates May 3 of 5 for a visit; the finest months here are June and August.

Against its neighbours, Solothurn runs warmer than most and drier than most in May. Grenchen, 11 km to the W, sees much the same highs.

May in Solothurn, by the numbers

Warmth rank
5th warmest of 12
Rain rank
1st wettest of 12
Versus April
4° warmer, 34 mm more rain
Versus June
4° colder
Day–night spread
11°
Snow season
Dec–Feb
Daylight, mid-month
15 h 4 min
Average wind
8 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
GrenchenSolothurn11 km W19°8°107 mm
BurgdorfBern18 km SSE19°8°124 mm
Biel/BienneBern23 km WSW18°8°109 mm
BernBern30 km SSW19°8°118 mm
OltenSolothurn32 km ENE20°9°116 mm
ReinachBasel-Landschaft32 km N20°9°91 mm
KönizBern33 km SSW19°8°114 mm
MuttenzBasel-Landschaft36 km NNE20°9°93 mm

The Almanac · Solothurn Month by Month

Climate normals 1991–2020 · pick a month
PrecipitationAverage highAverage low
Fair
The Almanac Speaks
May
✦✦✦✦✦

Much like April: highs about 19°, nights near 8°. Easy travelling weather. It is the wettest month of the year here, about 108 mm.

Climate of Solothurn by month
MonthHighLowRainWindDaylightVisit
January5°-1°66 mm8 km/h8 h 53 min✦✦
February6°-1°58 mm9 km/h10 h 12 min✦✦
March11°2°64 mm9 km/h11 h 45 min✦✦✦
April15°5°74 mm8 km/h13 h 33 min✦✦
May19°8°108 mm8 km/h15 h 4 min✦✦✦
June23°12°106 mm8 km/h15 h 54 min✦✦✦
July25°13°104 mm7 km/h15 h 33 min✦✦✦
August24°13°102 mm6 km/h14 h 13 min✦✦✦
September20°10°87 mm6 km/h12 h 29 min✦✦✦
October15°6°89 mm6 km/h10 h 46 min✦✦
November9°2°83 mm7 km/h9 h 15 min✦
December5°0°80 mm8 km/h8 h 30 min✦

Questions Readers Ask about Solothurn in May

Answered from the wire & the Almanac

What is the weather like in Solothurn in May?

Days average 19 °C (66 °F) and nights 8 °C (47 °F), with about 108 mm (4.3 in) of rain over the month. Much like April: highs about 19°, nights near 8°. Easy travelling weather. It is the wettest month of the year here, about 108 mm.

Is May a good time to visit Solothurn?

The Almanac gives May 3 of 5 (fair). The best months are June and August.

How long are the days in Solothurn in May?

In mid-May the sun is up for about 15 h 4 min. The days are lengthening — from 8 h 30 min in December to 15 h 54 min in June.

Does it snow in Solothurn in May?

Hardly — May nights average 8 °C (47 °F), above freezing.

What should I pack for Solothurn in May?

Layers, a warm coat and stout boots, plus a good raincoat — it is a wet month.

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The Editor’s Remark

“Weather is the only news that never grows stale. Each morning the sky writes its own front page, and we at Wanted Weather are but its telegraph operators.”— J. Whitmore, Editor
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