The best times to visit Monaghan for ideal weather are

June 4th to September 16th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.



Other Monaghan Travel Info

Weather in Monaghan


Average temperatures in Monaghan vary somewhat. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 33rd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Monaghan, the hottest months are August, July, and then June. See average monthly temperatures below. The warmest time of year is generally early June where highs are regularly around 71.5°F (21.9°C) with temperatures rarely dropping below 49.3°F (9.6°C) at night.

Monaghan Temperatures (Fahrenheit)


Monaghan Temperatures (Celsius)


“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Monaghan Perceived Temperature (F)


Monaghan Perceived Temperature (C)



Average Monaghan Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 47.1 42.6 37.5
Feb 47.8 41.8 36.3
Mar 49.6 42.4 36
Apr 58.8 49.7 41.4
May 60.1 51.4 43.6
Jun 64.4 57 50.1
Jul 65.2 57.1 51
Aug 64.7 57.5 52
Sep 61.4 54.8 48.7
Oct 59 52.3 46.5
Nov 51.7 47.5 43.2
Dec 47.5 42.6 37.1

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 8.4 5.9 3.1
Feb 8.8 5.4 2.4
Mar 9.8 5.8 2.2
Apr 14.9 9.8 5.2
May 15.6 10.8 6.4
Jun 18 13.9 10.1
Jul 18.4 13.9 10.6
Aug 18.2 14.2 11.1
Sep 16.3 12.7 9.3
Oct 15 11.3 8.1
Nov 10.9 8.6 6.2
Dec 8.6 5.9 2.8



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Monaghan are April, October, and then September. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early April. For example, on the week of April 2nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early December with an average of 6 days of significant precipitation the week of December 3rd.

When can you find snow in Monaghan? Weather stations report large amounts of snow likely to be deepest around October, especially close to late October. The best time to ski (if at all) in Monaghan is often around around October 22nd when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Monaghan.

Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Monaghan (in).

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 52% 0.8 4.9
Feb 26% 0.4 2
Mar 39% 0.8 3.2
Apr 11% 0 0.9
May 32% 0 2.7
Jun 33% 0 2.8
Jul 55% 1.6 5.3
Aug 35% 0 3.8
Sep 23% 0 2.1
Oct 13% 15.7 1.6
Nov 23% 0 2.6
Dec 45% 0 4.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 52 2 12.4
Feb 26 1 5.1
Mar 39 2 8.1
Apr 11 0 2.3
May 32 0 6.9
Jun 33 0 7.1
Jul 55 4.1 13.5
Aug 35 0 9.7
Sep 23 0 5.3
Oct 13 39.9 4.1
Nov 23 0 6.6
Dec 45 0 11.4


Humidity and Wind

Monaghan has some extremely humid months, and above average humidity throughout the year. The least humid month is April (69.5% relative humidity), and the most humid month is December (84.5%).

Wind in Monaghan is usually moderate. The windiest month is January, followed by March and December. January’s average wind speed of around 10.1 knots (11.6 MPH or 18.7 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid January where average top sustained speeds reach 19 knots, which is considered a fresh breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Monaghan.

Avg. Relative Humidity


The graph below shows wind speed (max and average) in knots.

Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 10.1 Gentle breeze 16.2 Significant breeze
Feb 8.7 Gentle breeze 14.1 Significant breeze
Mar 9.6 Gentle breeze 16 Significant breeze
Apr 7.4 Gentle breeze 12.2 Significant breeze
May 7.9 Gentle breeze 13 Significant breeze
Jun 7.2 Gentle breeze 11.3 Significant breeze
Jul 6.8 Light breeze 11.5 Significant breeze
Aug 7.1 Gentle breeze 11.6 Significant breeze
Sep 6.9 Light breeze 11.5 Significant breeze
Oct 6.8 Light breeze 11.1 Significant breeze
Nov 7.9 Gentle breeze 13.1 Significant breeze
Dec 9.4 Gentle breeze 16 Significant breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 84.4%
Feb 83.6%
Mar 76.5%
Apr 69.5%
May 71%
Jun 76.9%
Jul 79.8%
Aug 80%
Sep 79.8%
Oct 83.3%
Nov 83.6%
Dec 84.5%


Is it Safe to Travel to Monaghan?

Our best data indicates this area is generally safe. As of Dec 04, 2023 there are no travel advisories or warnings for Ireland; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Nov 28, 2023.


The Busiest and Least Crowded Months

The busiest month for tourism in Monaghan, Ireland is July, followed by January and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Monaghan in April. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month


Most Popular Months to Visit

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 71.3 in April means 71.3% of the tourists vs. July.



Overall Monaghan Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 65.1°F (18.4°C) and 48.6°F (9.2°C) with warmer temperatures in the later months. Rain is somewhat common with 3 to 12 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have comfortably cool weather with high temperatures that are brisk. These months see the most precipitation with 10 to 17 days of precipitation per month. June – August is the busiest season for tourism in Monaghan, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 65.5°F (18.6°C) and 48.5°F (9.2°C), which will feel chilly given the humidity and wind. It rains or snows a significant amount: 4 to 7 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is too cold this time of year in Monaghan to be enjoyable for warm weather travelers. The average high during this season is between 50.4°F (10.2°C) and 43.8°F (6.6°C). On average, it rains or snows a great amount: 7 to 16 times per month. These times of year are the second busiest with tourists.


Best Times to TravelIreland › Monaghan, Ireland