AI-generatedRoscommon at a glance
- Best time
- May – Sep
- Warmest month
- Jul · 20°
- Sunshine a year
- 1,240 h
- Rain a year
- 1,005 mm
- Climate
- Maritime
- Time zone
- UTC+0 / UTC+1
- Elevation
- 51 m
Climate in Roscommon
Roscommon has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 20 °C, while January is the coolest at 8 °C. With around 1,240 hours of sunshine a year, Roscommon is rather dull; May is the sunniest month with 5.5 hours a day.
Holiday weather through the year
Best time to visit Roscommon
The best time to visit Roscommon is from May to September. The wettest month is October with 99 mm of precipitation.
Roscommon through the seasons
How the weather changes over the seasons, with averages for each.
Roscommon in spring
Mar – May
Fair
- 11–16 °C by day
- 4.5 h of sun a day
- 40 rainy days in all
Roscommon in summer
Jun – Aug
Good
- 18–20 °C by day
- 4.4 h of sun a day
- 43 rainy days in all
Roscommon in autumn
Sep – Nov
Fair
- 11–17 °C by day
- 2.8 h of sun a day
- 42 rainy days in all
Roscommon in winter
Dec – Feb
Poor
- 8–9 °C by day
- 1.8 h of sun a day
- 42 rainy days in all
Which month for what?
Beach & swimming
No sea nearby
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
No month
15–28 °C and not too much rain
Rainy months
All year
Rainy season or more than 12 rainy days
Find your perfect month
Tell us what you like and we rate every month in Roscommon for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Weather in October
Weather in October
Holiday weather in October
Poor
Best time to visit: May – September
Keep in mindFrequent rain
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 13°
- Afternoon, 16:00: about 14°
- Evening, 20:00: about 11°
- Night, 23:00: about 10°
07:5818:39
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:36–08:46 · evening 17:50–19:01
- Blue hour
- Morning 07:22–07:36 · evening 19:01–19:14
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
October in Roscommon compared with home
Loading the climate at home …
Early or late October?
In October, daytime highs fall from about 15° at the start of the month to 12° at the end. The days get 2.0 h shorter.
| October | 1 Oct | 31 Oct |
|---|---|---|
| Daytime high | 15° | 12° |
| Night-time low | 9° | 6° |
| Daylight | 11.7 h | 9.6 h |
What is the weather like in Roscommon in October?
In October, Roscommon is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 2.9 hours a day. It rains often – on about 15 days, adding up to 99 mm. All in all, October is not an ideal month for a holiday in Roscommon.
More details for October
- Daylight
- 10 h 41 min07:58 – 18:39
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 21 km/haverage daily peakAll months
- Cloud cover
- 76 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+1offset from UTC
How the score comes together
- Temperatureweight 50 %64 %
- Sunshineweight 20 %0 %
- Few rainy daysweight 30 %22 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Nature escape”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Compare two months in Roscommon
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
June has the better holiday weather in Roscommon: score 66 against 39. In June, days are 4 °C warmer than in October. June has one rainy day fewer. The sun shines 2 hours longer a day in June.
| Month | October | June |
|---|---|---|
| Holiday weather score | 39 | 66better |
| Daytime high | 14° | 18° |
| Night-time low | 8° | 10° |
| Sunshine | 2.9 h | 4.9 hbetter |
| Rainy days | 15 | 14better |
| Rainfall | 99 mm | 83 mmbetter |
Based on the climate averages 1996–2025.
Roscommon month by month
The typical weather for every month at a glance.
10January8° · 1.6 h
In January, Roscommon is cold: daytime highs average 8 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 1.6 hours a day. It rains often – on about 14 days, adding up to 84 mm. All in all, January is not an ideal month for a holiday in Roscommon.
Roscommon in January16February9° · 2.4 h
In February, Roscommon is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 2.4 hours a day. Rain is frequent, with about 13 rainy days and 78 mm in total. All in all, February is not an ideal month for a holiday in Roscommon.
Roscommon in February27March11° · 3.2 h
In March, Roscommon is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 3.2 hours a day. Rain is frequent, with about 13 rainy days and 72 mm in total. All in all, March is not an ideal month for a holiday in Roscommon.
Roscommon in March47April13° · 4.8 h
In April, Roscommon is cool: daytime highs average 13 °C, and nights cool down to about 5 °C. Expect around 4.8 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 69 mm in total. All in all, April is a so-so month for a holiday in Roscommon.
Roscommon in April62May16° · 5.5 h
In May, Roscommon is mild: daytime highs average 16 °C, and nights cool down to about 8 °C. Expect around 5.5 hours of sunshine a day. It rains often – on about 14 days, adding up to 80 mm. All in all, May is a good month for a holiday in Roscommon.
Roscommon in May66June18° · 4.9 h
In June, Roscommon is mild: daytime highs average 18 °C, and nights cool down to about 10 °C. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 83 mm in total. All in all, June is a good month for a holiday in Roscommon.
Roscommon in June61July20° · 4.0 h
In July, Roscommon is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. Expect around 4.0 hours of sunshine a day. It rains often – on about 15 days, adding up to 84 mm. All in all, July is a good month for a holiday in Roscommon.
Roscommon in July61August19° · 4.3 h
In August, Roscommon is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. Expect around 4.3 hours of sunshine a day. It rains often – on about 15 days, adding up to 93 mm. All in all, August is a good month for a holiday in Roscommon.
Roscommon in August63September17° · 3.6 h
In September, Roscommon is mild: daytime highs average 17 °C, and nights cool down to about 10 °C. The sun is scarce, with only about 3.6 hours a day. Rain is frequent, with about 13 rainy days and 76 mm in total. All in all, September is a good month for a holiday in Roscommon.
Roscommon in September39October14° · 2.9 h
In October, Roscommon is cool: daytime highs average 14 °C, and nights cool down to about 8 °C. The sun is scarce, with only about 2.9 hours a day. It rains often – on about 15 days, adding up to 99 mm. All in all, October is not an ideal month for a holiday in Roscommon.
Roscommon in October22November11° · 2.0 h
In November, Roscommon is cool: daytime highs average 11 °C, and nights cool down to about 5 °C. The sun is scarce, with only about 2.0 hours a day. It rains often – on about 14 days, adding up to 94 mm. All in all, November is not an ideal month for a holiday in Roscommon.
Roscommon in November10December9° · 1.4 h
In December, Roscommon is cold: daytime highs average 9 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 1.4 hours a day. It rains often – on about 15 days, adding up to 94 mm. All in all, December is not an ideal month for a holiday in Roscommon.
Roscommon in DecemberClimate in detail
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Roscommon
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Cold 0–8°
- Cool 8–15°
CoolOctober: nights around 8°. A duvet at night and a jumper for the evening.
The coolest nights are in February (3°), the warmest in July (12°). Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|
| JanuaryJan | 10 | 8° | 3° | 1.6 h | 14 | 84 |
| FebruaryFeb | 16 | 9° | 3° | 2.4 h | 13 | 78 |
| MarchMar | 27 | 11° | 4° | 3.2 h | 13 | 72 |
| AprilApr | 47 | 13° | 5° | 4.8 h | 13 | 69 |
| MayMay | 62 | 16° | 8° | 5.5 h | 14 | 80 |
| JuneJun | 66 | 18° | 10° | 4.9 h | 14 | 83 |
| JulyJul | 61 | 20° | 12° | 4.0 h | 15 | 84 |
| AugustAug | 61 | 19° | 12° | 4.3 h | 15 | 93 |
| SeptemberSep | 63 | 17° | 10° | 3.6 h | 13 | 76 |
| OctoberOct | 39 | 14° | 8° | 2.9 h | 15 | 99 |
| NovemberNov | 22 | 11° | 5° | 2.0 h | 14 | 94 |
| DecemberDec | 10 | 9° | 3° | 1.4 h | 15 | 94 |
Climate averages 1996–2025 (sunshine partly WMO station normals 1991–2020), not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
53.63° N, 8.18° W · 51 m · Europe/Dublin
Sunshine hours in Roscommon
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 2.9 of 10.7 hours of daylight in Roscommon, 27 % of the daylight hours.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
Rain in Roscommon: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Roscommon has about 15 rainy days with 99 mm of rain in total.
UV index in Roscommon
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 2 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 7).
Minutes until sunburn in October
- Very fair skin
- about 80 min
- Fair skin
- about 105 min
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen the time, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Wind and clouds in Roscommon
How breezy and how cloudy Roscommon is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Roscommon typically peaks at 21 km/h during the day: Beaufort 4, moderate breeze.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 76 % of the sky over Roscommon: mostly cloudy, with about 2.9 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Planning a trip to Roscommon
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Roscommon in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Roscommon has its best school-holiday weather during May half-term (score 63) and its weakest during the Christmas holidays (score 10).
- 41
Easter holidays
Mar – Apr
Fair
- 13 °C by day
- 4.3 h of sun a day
- 13 rainy days a month
Keep in mind: Frequent rain
- 63
May half-term
May – Jun
GoodBest holidays
- 17 °C by day
- 5.4 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
- 61
Summer holidays
Jul – Aug
Good
- 19 °C by day
- 4.2 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
- 39
October half-term
Oct
Poor
- 14 °C by day
- 2.9 h of sun a day
- 15 rainy days a month
Keep in mind: Frequent rain
- 10
Christmas holidays
Dec – Jan
Poor
- 8 °C by day
- 1.5 h of sun a day
- 14 rainy days a month
Keep in mind: Frequent rain
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 10 min
- Distance
- 570 km
- Time zone
- UTC+1
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Compare & alternatives
Roscommon compared
Put Roscommon side by side with another destination.
Roscommon vs Longford
In October the holiday weather in Roscommon and Longford is about equally good (score 39 vs 39). During the day it is about as warm in Longford as in Roscommon.
| in October | Roscommon | Longford |
|---|---|---|
| Holiday weather score | 39 | 39 |
| Daytime high | 14° | 14° |
| Sunshine | 3 h | 3 h |
| Rainy days | 15 | 15 |
| Best time | May – Sep | May – Sep |
Through the year
Ireland in October: the best places
In October, Roscommon ranks 10 among the 31 nearest destinations in this country.
- Maynooth14°46
- 2Tullamore14°42
- 3Kildare14°42
- 4Navan14°41
- 5Thurles14°41
- 6Naas14°41
- 7Drogheda14°13°41
- 8Ballymahon14°40
- 10RoscommonThis page14°39
Near Roscommon
Other destinations close by.
Places with a climate like Roscommon
Destinations whose weather through the year is closest to Roscommon's – good alternatives.
Frequently asked questions about Roscommon
When is the best time to visit Roscommon?
The best time to visit Roscommon is from May to September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
What is the warmest month in Roscommon?
July is the warmest month, with average highs of 20 °C and nights around 12 °C. January is the coolest month at 8 °C.
When does it rain most in Roscommon?
The wettest month is October with 99 mm of precipitation. The driest month is April with 69 mm.
How many hours of sunshine does Roscommon get?
Roscommon gets around 1,240 hours of sunshine a year. The sunniest month is May with 5.5 hours a day; in December there are 1.4 hours a day.
What time zone is Roscommon in?
Roscommon is on UTC+0 in January and UTC+1 in July.
How long is the flight from London to Roscommon?
A nonstop flight from London to Roscommon takes about 1 h 10 min, for a straight-line distance of about 570 km.
Which school holidays are best for Roscommon?
Roscommon has its best school-holiday weather during May half-term (score 63) and its weakest during the Christmas holidays (score 10). Holiday ratings (0–100): Easter holidays 41, May half-term 63, summer holidays 61, October half-term 39, Christmas holidays 10.