Charlestown weather by month & the best time to visit
🇮🇪 Ireland · small town · oceanic / maritime climate
The best time to visit Charlestown is July — its sunniest month (Sunshine Score 50/100), with August and June close behind. Charlestown averages about 1,412 hours of sunshine a year. Daytime highs around 17°C / 63°F and roughly 111 mm of rain in July.
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- Sun hours / year
- 1,412
- Sunniest month
- July
- Peak score
- 50/100
- Rain / year
- 1,289 mm
- Midday UV at peak
- 5 (moderate)
- Population
- 1k
- Elevation
- 191 m
When is the best time to visit Charlestown?
For sunshine, the best time to visit Charlestown is July, then August and June. The dullest month is January (0/100, 123 mm of rain). The full month-by-month picture is in the table below.
How sunny is Charlestown?
Charlestown isn't a sunny place by world standards: about 1,412 hours of sunshine a year. 50 Sunshine Score points separate July (50) from January (0), so the month you pick matters. It ranks #6 of 10 destinations in Ireland for annual sunshine, below the national median of 1,418 hours. The year's 1,289 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 6° / 43°F | 2° / 36°F | 123 mm | 0 |
| February | 0 | 6° / 43°F | 2° / 36°F | 96 mm | 1 |
| March | 0 | 8° / 46°F | 2° / 36°F | 92 mm | 2 |
| April | 18 | 11° / 52°F | 4° / 39°F | 76 mm | 3 |
| May | 29 | 13° / 55°F | 6° / 43°F | 93 mm | 4 |
| June | 45 | 16° / 61°F | 9° / 48°F | 100 mm | 5 |
| July | 50 | 17° / 63°F | 10° / 50°F | 111 mm | 5 |
| August | 48 | 17° / 63°F | 10° / 50°F | 120 mm | 4 |
| September | 40 | 15° / 59°F | 9° / 48°F | 99 mm | 3 |
| October | 22 | 12° / 54°F | 7° / 45°F | 119 mm | 2 |
| November | 5 | 9° / 48°F | 4° / 39°F | 131 mm | 1 |
| December | 0 | 7° / 45°F | 3° / 37°F | 129 mm | 0 |
See Charlestown on the interactive sunshine globe →
Nearby places for sunshine
- Shannon Ireland · 135 km · best in Jul · 1,468 h sun/yr
- Dublin Ireland · 177 km · best in Jul · 1,488 h sun/yr
- Belfast United Kingdom · 188 km · best in Jul · 1,263 h sun/yr
- Cork Ireland · 231 km · best in Jul · 1,693 h sun/yr
- Castletown Isle of Man · 275 km · best in Jul · 1,459 h sun/yr
- Glasgow United Kingdom · 325 km · best in Jul · 1,304 h sun/yr
Nearest destinations
- Connemara Ireland · 87 km · 1,410 h sun/yr · best in Jul
- Inis Meáin Ireland · 104 km · 1,409 h sun/yr · best in Jul
- Inis Oírr Ireland · 105 km · 1,409 h sun/yr · best in Jul
- Inis Mór Ireland · 105 km · 1,409 h sun/yr · best in Jul
- Donegal Ireland · 130 km · 1,424 h sun/yr · best in Jul
Head-to-head
How Charlestown compares month by month: Charlestown vs Dublin · Charlestown vs Belfast · Charlestown vs Cork · Charlestown vs Shannon · all comparisons
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