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Mumbles Head (nearest observation site to Ystradgynlais)

Thursday (Thursday 14 December 2017)
09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Temperature (°C)
5.0 ° 4.2 ° 5.6 ° 6.9 ° 7.3 ° 7.1 ° 7.0 ° 5.8 ° 6.4 ° 5.7 ° 5.5 ° 5.8 ° 5.6 ° 5.5 ° 5.7 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
W 13 36 W 19 37 W 17 36 W 16 33 W 14 26 W 17 31 W 15 29 W 13 46 W 11 WNW 11 WNW 17 WNW 18 WNW 16 30 W 15 W 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
Humidity Expand
83% 81% 74% 75% 70% 72% 74% 86% 84% 88% 91% 84% 80% 85% 85%
Pressure (hPa) Expand
994 994 993 992 991 990 989 989 988 989 989 991 992 993 993
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F F F F R R R R R
Sunrise: 08:14 Sunset: 16:05 Moon phase: Waning crescent
Friday (Friday 15 December 2017)
00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00
Temperature (°C)
5.7 ° 6.0 ° 6.6 ° 6.4 ° 6.9 ° 5.8 ° 5.8 ° 5.1 ° 4.4 ° 4.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
W 16 W 15 W 18 31 WNW 16 36 WNW 17 39 WNW 21 36 NW 15 30 NW 9 21 NNW 8 NW 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
Humidity Expand
83% 82% 82% 85% 82% 90% 85% 81% 77% 83%
Pressure (hPa) Expand
994 993 993 993 994 995 996 999 1000 1001
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R F F R R R R R R
Sunrise: 08:15 Sunset: 16:05 Moon phase: Waning crescent

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Pembrey Sands SAMOS 7.9 °C
Lowest maximum temperature Lake Vyrnwy SAWS 3.1 °C
Lowest minimum temperature Tredegar Bryn Bach Park No 2 0.4 °C
Highest rainfall St-Athan 15.0 mm
Sunniest Hawarden 3.9 hours

UK extremes

Parameter Location Value
Highest maximum temperature Scilly St Marys 9.3 °C
Lowest maximum temperature Fyvie Castle -1.6 °C
Lowest minimum temperature Loch Glascarnoch SAWS -8.5 °C
Highest rainfall Lough Fea SAMOS 20.4 mm

About extremes

Highest maximum temperature - (0900 to 2100 on the date shown)

Lowest maximum temperature - (0900 to 2100 on the date shown)

Lowest minimum temperature - (2100 on the previous day to 0900 on the date shown)

Highest rainfall -(2100 on the previous day to 2100 on the date shown)

Sunniest - (2100 on the previous day to 2100 on the date shown)

The information shown is initial data as it is received; observations are subject to final quality control after publication on this website. This is particularly the case for rainfall totals during snow events.

Issued at:

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