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

Roscommon in May

The short of it: Roscommon in May averages a high of 16 °C (60 °F) and a low of 7 °C (45 °F), with 71 mm (2.8 in) of rain and about 15 h 54 min of daylight. Rated 2 of 5 for a visit; the best months are July and August. Source: TerraClimate climate normals, 1991–2020.

Average high 16° · low 7° · rain 71 mm · daylight 15 h 54 min

✦✦ Travel with care for a visit · best months: July & August

May in Roscommon brings afternoons near 16° and nights around 7°, with about 71 mm of rain over the month. Much like April: highs about 16°, nights near 7°. A wool coat will serve you well. It is the driest month of the year, only 71 mm of rain.

The sun is up for about 15 h 54 min in mid-May, 118 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 2 of 5 for a visit; the finest months here are July and August.

Against its neighbours, Roscommon runs about middling and wetter than most in May. Lanesborough, 14 km to the ENE, sees much the same highs.

May in Roscommon, by the numbers

Warmth rank
5th warmest of 12
Rain rank
12th wettest of 12
Versus April
3° warmer, 7.0 mm less rain
Versus June
2° colder
Day–night spread
9°
Snow season
seldom any
Daylight, mid-month
15 h 54 min
Average wind
13 km/h

Neighbouring Towns

May averages · distance by the crow’s flight
TownDistanceHighLowRain
LanesboroughLeinster14 km ENE16°7°64 mm
BallygarConnacht16 km SW16°7°71 mm
CastlereaConnacht26 km NW15°7°87 mm
LongfordLeinster27 km ENE16°7°65 mm
BallymahonLeinster28 km ESE16°7°65 mm
AthloneLeinster29 km SE16°7°60 mm
MoateLeinster32 km ESE16°7°66 mm
BallinasloeConnacht34 km S16°7°65 mm

The Almanac · Roscommon Month by Month

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

Much like April: highs about 16°, nights near 7°. A wool coat will serve you well. It is the driest month of the year, only 71 mm of rain.

Climate of Roscommon by month
MonthHighLowRainWindDaylightVisit
January8°3°118 mm14 km/h7 h 59 min✦
February9°2°101 mm14 km/h9 h 43 min✦
March11°3°86 mm14 km/h11 h 41 min✦✦
April13°5°78 mm13 km/h13 h 56 min✦✦
May16°7°71 mm13 km/h15 h 54 min✦✦
June18°10°86 mm12 km/h17 h 2 min✦✦✦
July19°11°92 mm11 km/h16 h 33 min✦✦✦
August19°11°105 mm11 km/h14 h 48 min✦✦✦
September17°9°95 mm11 km/h12 h 35 min✦✦✦
October14°7°116 mm12 km/h10 h 25 min✦✦
November10°4°132 mm13 km/h8 h 28 min✦✦
December8°3°120 mm13 km/h7 h 28 min✦

Questions Readers Ask about Roscommon in May

Answered from the wire & the Almanac

What is the weather like in Roscommon in May?

Days average 16 °C (60 °F) and nights 7 °C (45 °F), with about 71 mm (2.8 in) of rain over the month. Much like April: highs about 16°, nights near 7°. A wool coat will serve you well. It is the driest month of the year, only 71 mm of rain.

Is May a good time to visit Roscommon?

The Almanac gives May 2 of 5 (travel with care). The best months are July and August.

How long are the days in Roscommon in May?

In mid-May the sun is up for about 15 h 54 min. The days are lengthening — from 7 h 28 min in December to 17 h 2 min in June.

Does it snow in Roscommon in May?

Hardly — May nights average 7 °C (45 °F), above freezing.

What should I pack for Roscommon 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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