Johnstown, Leinster Climate
Ireland
Pop. 1,005 Elev. 90 m / 295 ft
TZ: Europe/Dublin (UTC+1) ·
Summers in Johnstown are cool, with July highs around 68°F (20°C), while winters are cool with January lows of 36°F (2°C). Expect around 62 rainy days annually (35.5 in / 902 mm total), with snow on 1 days and 6 in (157 mm) of annual accumulation. Overcast skies are common, with only 50 sunny days per year. Ocean water temperatures reach 61°F (16°C) in summer.
| Temperature | 20°C (68°F) high | 2°C (36°F) low |
| Feels like | 0°C (32°F) low | |
| Rain | 62 days | 902 mm (35.5 in) /yr |
| Snow | 1 days | 157 mm (6.2 in) /yr |
| Sky | 50 sunny | 14 stormy |
| Wind | 1.9 m/s (4.2 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: May, Jun, Jul, Aug
Sky & Air by Month
Cloud cover (%)
71
Jan 71
Feb 71
Mar 60
Apr 51
May 74
Jun 76
Jul 70
Aug 72
Sep 81
Oct 70
Nov 70
Dec Humidity (%)
89
Jan 83
Feb 78
Mar 74
Apr 74
May 78
Jun 77
Jul 78
Aug 82
Sep 85
Oct 88
Nov 86
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 32 km Dublin Airport (DUB)
Ski resort 29 km Ski Club Of Ireland
National park 13 km
Hospital 3 km Naas General Hospital
Hiking trail 11 km Blessington Greenway
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 7°C 44°F | 2°C 36°F | 61 mm 2.4 in | 147 mm5.8 in | 4 |
| February | 8°C 47°F | 4°C 39°F | 65 mm 2.5 in | 8 mm0.3 in | 6 |
| March | 11°C 52°F | 5°C 40°F | 21 mm 0.8 in | — | 3 |
| April | 14°C 58°F | 6°C 43°F | 93 mm 3.7 in | 2 mm0.1 in | 9 |
| May | 16°C 61°F | 8°C 46°F | 51 mm 2.0 in | — | 12 |
| June | 18°C 65°F | 11°C 53°F | 82 mm 3.2 in | — | 3 |
| July | 20°C 68°F | 13°C 56°F | 90 mm 3.5 in | — | 3 |
| August | 20°C 67°F | 13°C 55°F | 36 mm 1.4 in | — | 2 |
| September | 16°C 61°F | 9°C 48°F | 109 mm 4.3 in | — | 3 |
| October | 13°C 55°F | 9°C 48°F | 93 mm 3.6 in | — | 0 |
| November | 10°C 51°F | 6°C 42°F | 124 mm 4.9 in | — | 3 |
| December | 9°C 48°F | 5°C 41°F | 80 mm 3.1 in | — | 2 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 4 | 0 |
| February | 6 | 0 |
| March | 3 | 0 |
| April | 9 | 2 |
| May | 12 | 1 |
| June | 3 | 2 |
| July | 3 | 2 |
| August | 2 | 0 |
| September | 3 | 1 |
| October | 0 | 3 |
| November | 3 | 1 |
| December | 2 | 2 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 11°C 51°F | 4°C 39°F |
| February | 9°C 48°F | 5°C 41°F |
| March | 9°C 48°F | 7°C 44°F |
| April | 10°C 50°F | 10°C 50°F |
| May | 13°C 55°F | 13°C 56°F |
| June | 14°C 57°F | 15°C 59°F |
| July | 15°C 60°F | 17°C 63°F |
| August | 16°C 61°F | 16°C 62°F |
| September | 16°C 60°F | 13°C 55°F |
| October | 15°C 59°F | 11°C 51°F |
| November | 14°C 57°F | 8°C 46°F |
| December | 12°C 53°F | 6°C 42°F |