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Ireland

Trim weather & best time to visit

Nature escape

Trim at a glance

Best time
May – Sep
Warmest month
Jul · 20°
Sunshine a year
1,300 h
Rain a year
795 mm
Climate
Maritime
Time zone
UTC+0 / UTC+1
Elevation
56 m

Climate in Trim

Trim 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 1,300 hours of sunshine a year, Trim is rather dull; May is the sunniest month with 5.7 hours a day.

Holiday weather through the year

Best time to visit

Best time to visit Trim

The best time to visit Trim is from May to September. For sightseeing, day trips and hiking, conditions are most comfortable in September. Rain is frequent in March and from October to January; the wettest month is October with 77 mm.

Trim through the seasons

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

Trim in spring

Mar – May

47

Fair

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

Trim in summer

Jun – Aug

67

Good

  • 19–20 °C by day
  • 4.7 h of sun a day
  • 38 rainy days in all

Trim in autumn

Sep – Nov

46

Fair

  • 11–17 °C by day
  • 3.0 h of sun a day
  • 36 rainy days in all

Trim in winter

Dec – Feb

15

Poor

  • 8–9 °C by day
  • 1.9 h of sun a day
  • 37 rainy days in all

Which month for what?

Beach & swimming

No sea nearby

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

Sep

15–28 °C and not too much rain

Rainy months

Mar, Oct – Jan

Rainy season or more than 12 rainy days

Find your perfect month

Tell us what you like and we rate every month in Trim 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

44

Holiday weather in October

Fair

Best time to visit: May – 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 14°
  4. Evening, 20:00: about 11°
  5. Night, 23:00: about 9°

07:5218:33

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 07:30–08:40 · evening 17:45–18:55
Blue hour
Morning 07:17–07:30 · 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 Trim compared with home

Home:

Loading the climate at home …

Early or late October?

In October, daytime highs fall from about 16° at the start of the month to 12° at the end. The days get 2.0 h shorter.

Early or late October?
October1 Oct31 Oct
Daytime high16°12°
Night-time low8°6°
Daylight11.7 h9.6 h

What is the weather like in Trim in October?

In October, Trim is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 3.1 hours a day. Rain is frequent, with about 13 rainy days and 77 mm in total. All in all, October is a so-so month for a holiday in Trim.

More details for October

Daylight
10 h 41 min07:52 – 18:33
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 %66 %
  • Sunshineweight 20 %2 %
  • Few rainy daysweight 30 %36 %

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 Trim

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 Trim: score 69 against 44. In June, days are 5 °C warmer than in October. June has one rainy day fewer. The sun shines 2 hours longer a day in June.

October vs June, Trim
MonthOctoberJune
Holiday weather score4469better
Daytime high14°19°
Night-time low7°10°
Sunshine3.1 h5.2 hbetter
Rainy days1312better
Rainfall77 mm70 mm

Based on the climate averages 1996–2025.

Trim month by month

The typical weather for every month at a glance.

13January8° · 1.7 h

In January, Trim is cold: daytime highs average 8 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 1.7 hours a day. Rain is frequent, with about 12 rainy days and 63 mm in total. All in all, January is not an ideal month for a holiday in Trim.

Trim in January
18February9° · 2.5 h

In February, Trim is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sun is scarce, with only about 2.5 hours a day. Rain is frequent, with about 12 rainy days and 55 mm in total. All in all, February is not an ideal month for a holiday in Trim.

Trim in February
29March11° · 3.3 h

In March, Trim is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. The sun is scarce, with only about 3.3 hours a day. Rain is frequent, with about 12 rainy days and 56 mm in total. All in all, March is not an ideal month for a holiday in Trim.

Trim in March
48April13° · 4.9 h

In April, Trim is cool: daytime highs average 13 °C, and nights cool down to about 4 °C. Expect around 4.9 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 59 mm in total. All in all, April is a so-so month for a holiday in Trim.

Trim in April
65May16° · 5.7 h

In May, Trim is mild: daytime highs average 16 °C, and nights cool down to about 7 °C. Expect around 5.7 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 63 mm in total. All in all, May is a good month for a holiday in Trim.

Trim in May
69June19° · 5.2 h

In June, Trim is mild: daytime highs average 19 °C, and nights cool down to about 10 °C. Expect around 5.2 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 70 mm in total. All in all, June is a good month for a holiday in Trim.

Trim in June
65July20° · 4.4 h

In July, Trim is mild: daytime highs average 20 °C, and nights cool down to about 12 °C. Expect around 4.4 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 68 mm in total. All in all, July is a good month for a holiday in Trim.

Trim in July
68August20° · 4.5 h

In August, Trim is mild: daytime highs average 20 °C, and nights cool down to about 11 °C. Expect around 4.5 hours of sunshine a day. Rain is frequent, with about 12 rainy days and 74 mm in total. All in all, August is a good month for a holiday in Trim.

Trim in August
67September17° · 3.8 h

In September, Trim is mild: daytime highs average 17 °C, and nights cool down to about 10 °C. The sun is scarce, with only about 3.8 hours a day. Rain is frequent, with about 11 rainy days and 63 mm in total. All in all, September is a good month for a holiday in Trim.

Trim in September
44October14° · 3.1 h

In October, Trim is cool: daytime highs average 14 °C, and nights cool down to about 7 °C. The sun is scarce, with only about 3.1 hours a day. Rain is frequent, with about 13 rainy days and 77 mm in total. All in all, October is a so-so month for a holiday in Trim.

Trim in October
26November11° · 2.1 h

In November, Trim is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sun is scarce, with only about 2.1 hours a day. Rain is frequent, with about 12 rainy days and 77 mm in total. All in all, November is not an ideal month for a holiday in Trim.

Trim in November
14December8° · 1.5 h

In December, Trim 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. Rain is frequent, with about 13 rainy days and 71 mm in total. All in all, December is not an ideal month for a holiday in Trim.

Trim in December

Climate in detail

Year & climate table

Climate through the year

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

Best time to visit

Nights and sleep in Trim

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 February (2°), the warmest in July (12°). 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
JanuaryJan138°2°1.7 h1263
FebruaryFeb189°2°2.5 h1255
MarchMar2911°3°3.3 h1256
AprilApr4813°4°4.9 h1259
MayMay6516°7°5.7 h1363
JuneJun6919°10°5.2 h1270
JulyJul6520°12°4.4 h1368
AugustAug6820°11°4.5 h1274
SeptemberSep6717°10°3.8 h1163
OctoberOct4414°7°3.1 h1377
NovemberNov2611°4°2.1 h1277
DecemberDec148°2°1.5 h1371

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

53.55° N, 6.79° W · 56 m · Europe/Dublin

Sunshine
Sunshine

Sunshine hours in Trim

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

Per year
1,300 hours
Sunniest month
May · 5.7 h a day
Least sunshine
Dec · 1.5 h a day
OctoberSunshine 3.1 hDaylight 10.7 hShare of daylight 29 %
SunshineDaylight

In October, the sun shines for about 3.1 of 10.7 hours of daylight in Trim, 29 % 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

Rain in Trim: 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
795 mm on 147 days
Wettest month
Oct · 77 mm
Driest month
Feb · 55 mm
OctoberRainy days 13Rainfall 77 mm

In October, Trim has about 13 rainy days with 77 mm of rain in total.

UV index
Sun protection

UV index in Trim

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 100 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 & clouds

Wind and clouds in Trim

How breezy and how cloudy Trim 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 · 23 km/h
Calmest month
Jul · 17 km/h
OctoberWind 21 km/hBeaufort 4

In October, the wind in Trim 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.

Year average
75 % · mostly cloudy
Clearest month
Apr · 70 %
Cloudiest month
Jul · 79 %
OctoberCloud cover 76 %Sunshine 3.1 h

In October, cloud covers on average 76 % of the sky over Trim: mostly cloudy, with about 3.1 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 Trim

Weather for your travel dates

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

Trim 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.

Trim has its best school-holiday weather during the summer holidays (score 67) and its weakest during the Christmas holidays (score 14).

  • Easter holidays

    Mar – Apr

    42

    Fair

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

    Keep in mind: Frequent rain

  • May half-term

    May – Jun

    66

    Good

    • 17 °C by day
    • 5.6 h of sun a day
    • 13 rainy days a month
  • Summer holidays

    Jul – Aug

    67

    GoodBest holidays

    • 20 °C by day
    • 4.5 h of sun a day
    • 13 rainy days a month
  • October half-term

    Oct

    44

    Fair

    • 14 °C by day
    • 3.1 h of sun a day
    • 13 rainy days a month

    Keep in mind: Frequent rain

  • Christmas holidays

    Dec – Jan

    14

    Poor

    • 8 °C by day
    • 1.6 h of sun a day
    • 12 rainy days a month

    Keep in mind: Frequent rain

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
Short trip – train or car is often quicker
Distance
490 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.

Good to know: Ireland

Currency
Euro (EUR)
Languages
English, Irish
Sockets
Type G · 230 V
Traffic
Drives on the left
Dialling code
+353
Emergency number
112

UK plugs fit

Sources: GeoNames (CC BY 4.0) and Wikidata (CC0). Please check details before you travel.

Compare & alternatives

Compare with another place
Compare

Trim compared

Put Trim side by side with another destination.

Nearby:
Compare with home:

Trim vs Navan

In October the holiday weather in Trim and Navan is about equally good (score 44 vs 44). During the day it is about as warm in Navan as in Trim.

Trim vs Navan, in October
in OctoberTrimNavan
Holiday weather score4444
Daytime high14°14°
Sunshine3 h3 h
Rainy days1313
Best timeMay – SepMay – Sep

Through the year

OctoberTrim 14°Navan 14°
TrimNavan
Go to Navan
Best places in the country
Ranking

Ireland in October: the best places

In October, Trim ranks 6 among the 31 nearest destinations in this country.

  1. Skerries14°14°48
  2. 2Arklow15°14°48
  3. 3Malahide14°14°47
  4. 4Maynooth14°46
  5. 5Wicklow14°14°46
  6. 6TrimThis page14°44
  7. 7Dublin14°14°44
  8. 8Dún Laoghaire14°14°44
All destinations: Ireland
Places nearby

Near Trim

Other destinations close by.

Places with a similar climate

Places with a climate like Trim

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

  1. 91 % similar45MallowIreland14°Best time: May – Sep
  2. 90 % similar43WrexhamUnited Kingdom14°Best time: May – Sep
  3. 90 % similar40TipperaryIreland14°Best time: May – Sep
  4. 88 % similar39HuddersfieldUnited Kingdom14°Best time: May – Sep

Frequently asked questions about Trim

When is the best time to visit Trim?

The best time to visit Trim 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 Trim?

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 Trim?

Rain is frequent in March and from October to January; the wettest month is October with 77 mm. The driest month is February with 55 mm.

How many hours of sunshine does Trim get?

Trim gets around 1,300 hours of sunshine a year. The sunniest month is May with 5.7 hours a day; in December there are 1.5 hours a day.

What time zone is Trim in?

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

Which school holidays are best for Trim?

Trim has its best school-holiday weather during the summer holidays (score 67) and its weakest during the Christmas holidays (score 14). Holiday ratings (0–100): Easter holidays 42, May half-term 66, summer holidays 67, October half-term 44, Christmas holidays 14.