Johnston, Wales Climate
United Kingdom
Pop. 1,941 Elev. 69 m / 226 ft
TZ: Europe/London (UTC+1) ·
Johnston enjoys a mild climate with limited seasonal extremes, ranging from 42°F (6°C) in January to 67°F (19°C) in August. Precipitation occurs on roughly 87 days per year (50.4 in / 1281 mm total), with 2 in (38 mm) of annual snowfall. The city averages 72 sunny days per year and around 36 thunderstorm days. Ocean water temperatures reach 65°F (18°C) in summer.
| Temperature | 19°C (67°F) high | 5°C (42°F) low |
| Feels like | 3°C (37°F) low | |
| Rain | 87 days | 1281 mm (50.4 in) /yr |
| Snow | 0 days | 38 mm (1.5 in) /yr |
| Sky | 72 sunny | 36 stormy |
| Wind | 2.5 m/s (5.6 mph) avg |
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Explore on the MapMonthly Climate Chart
Best months to visit: Jun, Jul, Aug
Sky & Air by Month
Cloud cover (%)
73
Jan 71
Feb 59
Mar 53
Apr 50
May 67
Jun 64
Jul 60
Aug 62
Sep 79
Oct 73
Nov 69
Dec Humidity (%)
82
Jan 83
Feb 79
Mar 77
Apr 79
May 84
Jun 82
Jul 78
Aug 79
Sep 81
Oct 83
Nov 81
Dec Weather Days by Month
Water Temperatures
Cities with Similar Climate
Find similar cities on the map →Nearby Cities
Nearby
Commercial airport 146 km Cornwall Airport Newquay (NQY)
Ski resort 48 km
National park 134 km
Hospital 6 km Withybush Hospital
Hiking trail 11 km Pembrokeshire Coast Path main route
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Monthly Weather Data
↑ See chart| Month | Avg High | Avg Low | Rainfall | Snowfall | Sunny Days |
|---|---|---|---|---|---|
| January | 8°C 47°F | 5°C 42°F | 119 mm 4.7 in | 38 mm1.5 in | 3 |
| February | 8°C 47°F | 6°C 42°F | 84 mm 3.3 in | — | 5 |
| March | 11°C 51°F | 6°C 43°F | 23 mm 0.9 in | — | 10 |
| April | 13°C 56°F | 8°C 47°F | 114 mm 4.5 in | — | 11 |
| May | 15°C 60°F | 10°C 51°F | 39 mm 1.5 in | — | 13 |
| June | 17°C 62°F | 14°C 56°F | 84 mm 3.3 in | — | 4 |
| July | 19°C 66°F | 15°C 59°F | 54 mm 2.1 in | — | 6 |
| August | 19°C 67°F | 15°C 59°F | 54 mm 2.1 in | — | 6 |
| September | 16°C 62°F | 13°C 55°F | 162 mm 6.4 in | — | 7 |
| October | 14°C 57°F | 12°C 53°F | 139 mm 5.5 in | — | 0 |
| November | 12°C 54°F | 9°C 49°F | 213 mm 8.4 in | — | 1 |
| December | 10°C 50°F | 8°C 46°F | 196 mm 7.7 in | — | 6 |
Weather Days by Month
↑ See chart| Month | Sunny Days | Storm Days |
|---|---|---|
| January | 3 | 2 |
| February | 5 | 1 |
| March | 10 | 0 |
| April | 11 | 3 |
| May | 13 | 1 |
| June | 4 | 1 |
| July | 6 | 0 |
| August | 6 | 2 |
| September | 7 | 7 |
| October | 0 | 5 |
| November | 1 | 9 |
| December | 6 | 5 |
Water Temperatures Data
↑ See chart| Month | Ocean Avg High | Lake Avg High |
|---|---|---|
| January | 10°C 51°F | 7°C 45°F |
| February | 9°C 49°F | 7°C 44°F |
| March | 10°C 49°F | 8°C 46°F |
| April | 11°C 52°F | 10°C 49°F |
| May | 14°C 56°F | 13°C 55°F |
| June | 16°C 61°F | 16°C 60°F |
| July | 18°C 64°F | 18°C 65°F |
| August | 18°C 65°F | 18°C 65°F |
| September | 18°C 64°F | 16°C 60°F |
| October | 16°C 61°F | 14°C 56°F |
| November | 14°C 58°F | 11°C 53°F |
| December | 12°C 54°F | 9°C 49°F |