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Mona (nearest observation site to Caernarfon)

Saturday (Saturday 16 December 2017)
01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 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
Cloudy Partly cloudy night Cloudy Partly cloudy night Clear night Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Sunny intervals Sunny intervals Partly cloudy night Cloudy Overcast Cloudy Clear night Partly cloudy night Cloudy Overcast
Temperature (°C)
3.8 ° 4.4 ° 4.3 ° 3.9 ° 3.4 ° 4.3 ° 5.3 ° 5.5 ° 5.0 ° 6.0 ° 6.7 ° 6.9 ° 6.9 ° 6.7 ° 6.7 ° 6.2 ° 5.9 ° 6.2 ° 6.3 ° 4.5 ° 3.5 ° 4.7 ° 5.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
NNW 11 NNW 10 N 5 NNW 7 NW 9 NW 6 WNW 10 WNW 14 W 11 WNW 14 WNW 11 WNW 14 WNW 9 NW 11 WNW 9 NW 9 W 6 WNW 7 WNW 8 WNW 5 W 5 W 5 WSW 5
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG G G G G G G G VG G VG VG VG VG VG VG G G G G G G G
Humidity Expand
92% 83% 90% 86% 89% 87% 84% 82% 88% 89% 89% 87% 89% 88% 87% 88% 87% 93% 89% 92% 94% 95% 98%
Pressure (hPa) Expand
1016 1016 1017 1017 1018 1018 1018 1018 1018 1019 1019 1019 1020 1020 1020 1021 1021 1022 1022 1023 1023 1023 1023
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R R R R R R R R R R R R R R R R R R R
Sunrise: 08:25 Sunset: 16:00 Moon phase: Waning crescent
Sunday (Sunday 17 December 2017)
00:00 01:00
Overcast Overcast
Temperature (°C)
5.0 ° 5.0 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SW 6 SSW 5
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G
Humidity Expand
98% 98%
Pressure (hPa) Expand
1024 1023
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R S
Sunrise: 08:26 Sunset: 16:00 Moon phase: New

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Cardiff Bute Park 8.6 °C
Lowest maximum temperature Tredegar Bryn Bach Park No 2 3.6 °C
Lowest minimum temperature Sennybridge -3.6 °C
Highest rainfall Capel Curig 6.2 mm
Sunniest St-Athan 3.0 hours

UK extremes

Parameter Location Value
Highest maximum temperature Scilly St Marys 10.0 °C
Lowest maximum temperature Tyndrum -0.9 °C
Lowest minimum temperature Dalwhinnie -7.8 °C
Highest rainfall Altnahinch Filters 9.4 mm
Sunniest Manston 6.2 hours

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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