Back to destinations
AI-generated illustrative scene; not a photograph of this destination
AI-generated
Ireland

Monaghan weather & best time to visit

Nature escape

Monaghan at a glance

Best time
May – Jun, Sep
Warmest month
Jul · 20°
Sunshine a year
1,190 h
Rain a year
945 mm
Climate
Maritime
Time zone
UTC+0 / UTC+1
Elevation
72 m

Climate in Monaghan

Monaghan 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 1,190 hours of sunshine a year, Monaghan is rather dull; May is the sunniest month with 5.5 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Monaghan

The best time to visit Monaghan is from May to June and in September. The wettest month is August with 93 mm of precipitation.

Monaghan through the seasons

How the weather changes over the seasons, with averages for each.

Monaghan in spring

Mar – May

42

Fair

  • 11–16 °C by day
  • 4.4 h of sun a day
  • 41 rainy days in all

Monaghan in summer

Jun – Aug

61

Good

  • 18–20 °C by day
  • 4.3 h of sun a day
  • 45 rainy days in all

Monaghan in autumn

Sep – Nov

40

Fair

  • 10–17 °C by day
  • 2.7 h of sun a day
  • 42 rainy days in all

Monaghan in winter

Dec – Feb

11

Poor

  • 8–9 °C by day
  • 1.7 h of sun a day
  • 41 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 Monaghan for you.

Sunshine
Little rain

Your best months: June – August

Based on the climate averages; tap a month to see its details.

Your holiday weather, at a glance

Weather in October

Weather in October

38

Holiday weather in October

Poor

Best time to visit: May – June, September

Keep in mindFrequent rain

A typical day in October

  1. Morning, 08:00: about 7°
  2. Midday, 13:00: about 13°
  3. Afternoon, 16:00: about 13°
  4. Evening, 20:00: about 11°
  5. Night, 23:00: about 9°

07:5418:33

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 07:32–08:43 · evening 17:44–18:55
Blue hour
Morning 07:18–07:32 · evening 18:55–19:09

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 Monaghan compared with home

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 2.1 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high15°12°
Night-time low8°5°
Daylight11.7 h9.6 h

What is the weather like in Monaghan in October?

In October, Monaghan is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 2.7 hours a day. It rains often – on about 15 days, adding up to 90 mm. All in all, October is not an ideal month for a holiday in Monaghan.

More details for October

Daylight
10 h 39 min07:54 – 18:33
UV index
2 · lowclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
20 km/haverage daily peakAll months
Cloud cover
78 %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 %62 %
  • Sunshineweight 20 %0 %
  • Few rainy daysweight 30 %23 %

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 Monaghan

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs

June has the better holiday weather in Monaghan: score 64 against 38. 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.

October vs June, Monaghan
MonthOctoberJune
Holiday weather score3864better
Daytime high14°18°
Night-time low7°9°
Sunshine2.7 h4.7 hbetter
Rainy days1514better
Rainfall90 mm82 mm

Based on the climate averages 1996–2025.

Monaghan month by month

The typical weather for every month at a glance.

8January8° · 1.5 h

In January, Monaghan is cold: daytime highs average 8 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1.5 hours a day. It rains often – on about 14 days, adding up to 76 mm. All in all, January is not an ideal month for a holiday in Monaghan.

Monaghan in January
15February9° · 2.3 h

In February, Monaghan is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2.3 hours a day. Rain is frequent, with about 13 rainy days and 68 mm in total. All in all, February is not an ideal month for a holiday in Monaghan.

Monaghan in February
24March11° · 3.0 h

In March, Monaghan is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 3.0 hours a day. Rain is frequent, with about 13 rainy days and 65 mm in total. All in all, March is not an ideal month for a holiday in Monaghan.

Monaghan in March
42April13° · 4.6 h

In April, Monaghan is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. Expect around 4.6 hours of sunshine a day. Rain is frequent, with about 14 rainy days and 69 mm in total. All in all, April is a so-so month for a holiday in Monaghan.

Monaghan in April
61May16° · 5.5 h

In May, Monaghan is mild: daytime highs average 16 °C, and nights cool down to about 7 °C. Expect around 5.5 hours of sunshine a day. It rains often – on about 14 days, adding up to 77 mm. All in all, May is a good month for a holiday in Monaghan.

Monaghan in May
64June18° · 4.7 h

In June, Monaghan is mild: daytime highs average 18 °C, and nights cool down to about 9 °C. Expect around 4.7 hours of sunshine a day. It rains often – on about 14 days, adding up to 82 mm. All in all, June is a good month for a holiday in Monaghan.

Monaghan in June
59July20° · 4.0 h

In July, Monaghan is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. Expect around 4.0 hours of sunshine a day. It rains often – on about 15 days, adding up to 87 mm. All in all, July is a so-so month for a holiday in Monaghan.

Monaghan in July
59August19° · 4.1 h

In August, Monaghan is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. Expect around 4.1 hours of sunshine a day. It rains often – on about 16 days, adding up to 93 mm. All in all, August is a so-so month for a holiday in Monaghan.

Monaghan in August
61September17° · 3.4 h

In September, Monaghan is mild: daytime highs average 17 °C, and nights cool down to about 9 °C. The sun is scarce, with only about 3.4 hours a day. Rain is frequent, with about 13 rainy days and 74 mm in total. All in all, September is a good month for a holiday in Monaghan.

Monaghan in September
38October14° · 2.7 h

In October, Monaghan is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 2.7 hours a day. It rains often – on about 15 days, adding up to 90 mm. All in all, October is not an ideal month for a holiday in Monaghan.

Monaghan in October
21November10° · 1.9 h

In November, Monaghan is cool: daytime highs average 10 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 1.9 hours a day. Rain is frequent, with about 14 rainy days and 83 mm in total. All in all, November is not an ideal month for a holiday in Monaghan.

Monaghan in November
9December8° · 1.4 h

In December, Monaghan is cold: daytime highs average 8 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1.4 hours a day. Rain is frequent, with about 14 rainy days and 83 mm in total. All in all, December is not an ideal month for a holiday in Monaghan.

Monaghan in December

Climate in detail

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Monaghan

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°

ColdOctober: nights around 7°. The room should be heated.

The coolest nights are in January (2°), the warmest in July (11°). Nights fall below 8 °C on average from October to May, so the room should be heated.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 14°Night 7°
DayNight
MonthScoreDayNightSunRain daysRain mm
JanuaryJan88°2°1.5 h1476
FebruaryFeb159°2°2.3 h1368
MarchMar2411°3°3.0 h1365
AprilApr4213°4°4.6 h1469
MayMay6116°7°5.5 h1477
JuneJun6418°9°4.7 h1482
JulyJul5920°11°4.0 h1587
AugustAug5919°11°4.1 h1693
SeptemberSep6117°9°3.4 h1374
OctoberOct3814°7°2.7 h1590
NovemberNov2110°4°1.9 h1483
DecemberDec98°2°1.4 h1483

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

54.25° N, 6.97° W · 72 m · Europe/Dublin

Sunshine

Sunshine hours in Monaghan

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,190 hours
Sunniest month
May · 5.5 h a day
Least sunshine
Dec · 1.4 h a day
OctoberSunshine 2.7 hDaylight 10.7 hShare of daylight 25 %
SunshineDaylight

In October, the sun shines for about 2.7 of 10.7 hours of daylight in Monaghan, 25 % 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

Rain in Monaghan: 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.

Per year
945 mm on 169 days
Wettest month
Aug · 93 mm
Driest month
Mar · 65 mm
OctoberRainy days 15Rainfall 90 mm

In October, Monaghan has about 15 rainy days with 90 mm of rain in total.

Sun protection

UV index in Monaghan

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 85 min
Fair skin
about 110 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 & clouds

Wind and clouds in Monaghan

How breezy and how cloudy Monaghan 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.

Year average
20 km/h · moderate breeze
Windiest month
Feb · 22 km/h
Calmest month
Jul · 17 km/h
OctoberWind 20 km/hBeaufort 4

In October, the wind in Monaghan typically peaks at 20 km/h during the day: Beaufort 4, moderate breeze.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
77 % · mostly cloudy
Clearest month
May · 72 %
Cloudiest month
Jul · 80 %
OctoberCloud cover 78 %Sunshine 2.7 h

In October, cloud covers on average 78 % of the sky over Monaghan: mostly cloudy, with about 2.7 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 Monaghan

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Monaghan 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.

Monaghan has its best school-holiday weather during May half-term (score 62) and its weakest during the Christmas holidays (score 9).

  • Easter holidays

    Mar – Apr

    37

    Poor

    • 12 °C by day
    • 4.1 h of sun a day
    • 14 rainy days a month

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    62

    GoodBest holidays

    • 16 °C by day
    • 5.3 h of sun a day
    • 14 rainy days a month

    Keep in mind: Frequent rain

  • Summer holidays

    Jul – Aug

    59

    Fair

    • 19 °C by day
    • 4.1 h of sun a day
    • 16 rainy days a month

    Keep in mind: Frequent rain

  • October half-term

    Oct

    38

    Poor

    • 14 °C by day
    • 2.7 h of sun a day
    • 15 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    9

    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
540 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

Compare

Monaghan compared

Put Monaghan side by side with another destination.

Nearby:
Compare with home:

Monaghan vs Cavan

In October the holiday weather in Monaghan and Cavan is about equally good (score 38 vs 38). During the day it is about as warm in Cavan as in Monaghan.

Monaghan vs Cavan, in October
in OctoberMonaghanCavan
Holiday weather score3838
Daytime high14°14°
Sunshine3 h3 h
Rainy days1515
Best timeMay – Jun, SepMay – Jun, Aug – Sep

Through the year

OctoberMonaghan 14°Cavan 14°
MonaghanCavan
Go to Cavan
Ranking

Ireland in October: the best places

In October, Monaghan ranks 18 among the 31 nearest destinations in this country.

  1. Skerries14°14°48
  2. 2Malahide14°14°47
  3. 3Maynooth14°46
  4. 4Dublin14°14°44
  5. 5Dún Laoghaire14°14°44
  6. 6Bray14°14°44
  7. 7Balbriggan14°14°42
  8. 8Tullamore14°42
  9. 18MonaghanThis page14°38
All destinations: Ireland

Near Monaghan

Other destinations close by.

Places with a climate like Monaghan

Destinations whose weather through the year is closest to Monaghan's – good alternatives.

  1. 93 % similar40TipperaryIreland14°Best time: May – Sep
  2. 92 % similar40AthenryIreland14°Best time: May – Sep
  3. 91 % similar36CarlisleUnited Kingdom14°Best time: Jun – Sep
  4. 90 % similar33DumfriesUnited Kingdom13°Best time: Jun – Jul

Frequently asked questions about Monaghan

When is the best time to visit Monaghan?

The best time to visit Monaghan is from May to June and in September. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

What is the warmest month in Monaghan?

July is the warmest month, with average highs of 20 °C and nights around 11 °C. January is the coolest month at 8 °C.

When does it rain most in Monaghan?

The wettest month is August with 93 mm of precipitation. The driest month is March with 65 mm.

How many hours of sunshine does Monaghan get?

Monaghan gets around 1,190 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 Monaghan in?

Monaghan is on UTC+0 in January and UTC+1 in July.

How long is the flight from London to Monaghan?

A nonstop flight from London to Monaghan takes about 1 h 10 min, for a straight-line distance of about 540 km.

Which school holidays are best for Monaghan?

Monaghan has its best school-holiday weather during May half-term (score 62) and its weakest during the Christmas holidays (score 9). Holiday ratings (0–100): Easter holidays 37, May half-term 62, summer holidays 59, October half-term 38, Christmas holidays 9.