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

Sem Weather in May

Sem in May

The short of it: Sem in May averages a high of 16 °C (60 °F) and a low of 9 °C (48 °F), with 59 mm (2.3 in) of rain and about 16 h 56 min of daylight. Rated 3 of 5 for a visit; the best months are April and July. Source: TerraClimate climate normals, 1991–2020.

Average high 16° · low 9° · rain 59 mm · daylight 16 h 56 min

✦✦✦ Fair for a visit · best months: April & July

Thirty years of records give Sem an average May high of 16°, a low of 9° and some 59 mm of rain. Highs rise 5° against April, to near 16°; nights run about 9°. Rain is modest, about 59 mm, the 9th wettest month.

The sun is up for about 16 h 56 min in mid-May, 153 minutes more than a month before.

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

Against its neighbours, Sem runs warmer than most and wetter than most in May. Tønsberg, 5 km to the ESE, sees much the same highs.

May in Sem, by the numbers

Warmth rank
5th warmest of 12
Rain rank
9th wettest of 12
Versus April
5° warmer, 15 mm more rain
Versus June
3° colder
Day–night spread
7°
Snow season
Nov–Mar
Daylight, mid-month
16 h 56 min
Average wind
14 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
TønsbergVestfold5 km ESE16°9°55 mm
MelsomvikVestfold6 km S15°9°56 mm
StokkeVestfold7 km SSW15°9°58 mm
ÅsgårdstrandVestfold11 km NE15°8°55 mm
HortenVestfold17 km NNE16°8°57 mm
SandefjordVestfold18 km SSW16°9°60 mm
TjømeVestfold19 km S14°9°49 mm
HolmestrandVestfold23 km N16°8°62 mm

The Almanac · Sem Month by Month

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

Highs rise 5° against April, to near 16°; nights run about 9°. Rain is modest, about 59 mm, the 9th wettest month.

Climate of Sem by month
MonthHighLowRainWindDaylightVisit
January1°-3°66 mm16 km/h6 h 51 min✦✦
February2°-3°48 mm16 km/h9 h 7 min✦✦
March5°-1°48 mm15 km/h11 h 35 min✦✦
April10°4°44 mm14 km/h14 h 23 min✦✦✦✦
May16°9°59 mm14 km/h16 h 56 min✦✦✦
June19°13°74 mm14 km/h18 h 33 min✦✦✦
July21°15°84 mm13 km/h17 h 51 min✦✦✦
August21°14°96 mm13 km/h15 h 30 min✦✦✦
September16°10°99 mm15 km/h12 h 43 min✦✦✦
October10°6°115 mm15 km/h10 h 2 min✦✦
November5°2°116 mm15 km/h7 h 31 min✦
December1°-2°76 mm15 km/h6 h 8 min✦

Questions Readers Ask about Sem in May

Answered from the wire & the Almanac

What is the weather like in Sem in May?

Days average 16 °C (60 °F) and nights 9 °C (48 °F), with about 59 mm (2.3 in) of rain over the month. Highs rise 5° against April, to near 16°; nights run about 9°. Rain is modest, about 59 mm, the 9th wettest month.

Is May a good time to visit Sem?

The Almanac gives May 3 of 5 (fair). The best months are April and July.

How long are the days in Sem in May?

In mid-May the sun is up for about 16 h 56 min. The days are lengthening — from 6 h 8 min in December to 18 h 33 min in June.

Does it snow in Sem in May?

Hardly — May nights average 9 °C (48 °F), above freezing.

What should I pack for Sem in May?

Layers, a warm coat and stout boots.

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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