Inis Oírr weather by month & the best time to visit
🇮🇪 Ireland · seaside town · oceanic / maritime climate
The best time to visit Inis Oírr is July — its sunniest month (Sunshine Score 51/100), with August and June close behind. Inis Oírr averages about 1,409 hours of sunshine a year. Daytime highs around 17°C / 63°F and roughly 104 mm of rain in July.
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- Sun hours / year
- 1,409
- Sunniest month
- July
- Peak score
- 51/100
- Rain / year
- 1,313 mm
- Midday UV at peak
- 5 (moderate)
- Sea at warmest
- 16°C / 61°F
- Population
- 102k
- Elevation
- 9 m
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When is the best time to visit Inis Oírr?
For sunshine, the best time to visit Inis Oírr is July, then August and June. The dullest month is February (0/100, 105 mm of rain). The full month-by-month picture is in the table below.
How sunny is Inis Oírr?
Inis Oírr isn't a sunny place by world standards: about 1,409 hours of sunshine a year. 51 Sunshine Score points separate July (51) from February (0), so the month you pick matters. It ranks #9 of 10 destinations in Ireland for annual sunshine, below the national median of 1,418 hours. The year's 1,313 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 | Sea |
|---|---|---|---|---|---|---|
| January | 5 | 9° / 48°F | 6° / 43°F | 134 mm | 0 | 9° / 48°F |
| February | 0 | 8° / 46°F | 5° / 41°F | 105 mm | 1 | 9° / 48°F |
| March | 6 | 9° / 48°F | 5° / 41°F | 95 mm | 2 | 9° / 48°F |
| April | 18 | 11° / 52°F | 7° / 45°F | 76 mm | 3 | 10° / 50°F |
| May | 35 | 14° / 57°F | 9° / 48°F | 87 mm | 4 | 13° / 55°F |
| June | 47 | 16° / 61°F | 12° / 54°F | 90 mm | 5 | 14° / 57°F |
| July | 51 | 17° / 63°F | 13° / 55°F | 104 mm | 4 | 15° / 59°F |
| August | 50 | 17° / 63°F | 13° / 55°F | 111 mm | 4 | 16° / 61°F |
| September | 45 | 16° / 61°F | 12° / 54°F | 103 mm | 3 | 15° / 59°F |
| October | 33 | 14° / 57°F | 10° / 50°F | 117 mm | 1 | 14° / 57°F |
| November | 15 | 11° / 52°F | 8° / 46°F | 149 mm | 1 | 13° / 55°F |
| December | 5 | 9° / 48°F | 6° / 43°F | 142 mm | 0 | 11° / 52°F |
Sea temperature in Inis Oírr by month
The sea off Inis Oírr is warmest in August at around 16°C / 61°F, and coolest in January at 9°C / 48°F. It never reaches comfortable swimming temperatures (21°C+). Month-by-month sea-surface temperatures are in the Sea column of the table above.
See Inis Oírr on the interactive sunshine globe →
Nearby places for sunshine
- Shannon Ireland · 56 km · best in Jul · 1,468 h sun/yr
- Charlestown Ireland · 105 km · best in Jul · 1,412 h sun/yr
- Cork Ireland · 153 km · best in Jul · 1,693 h sun/yr
- Dublin Ireland · 220 km · best in Jul · 1,488 h sun/yr
- Belfast United Kingdom · 279 km · best in Jul · 1,263 h sun/yr
- Castletown Isle of Man · 342 km · best in Jul · 1,459 h sun/yr
Nearest destinations
- Inis Meáin Ireland · 5 km · 1,409 h sun/yr · best in Jul
- Inis Mór Ireland · 11 km · 1,409 h sun/yr · best in Jul
- Connemara Ireland · 19 km · 1,410 h sun/yr · best in Jul
- Kerry Ireland · 98 km · 1,466 h sun/yr · best in Jul
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