Climbing Forecast › Snowdonia — Moel Siabod › Craig Ddu (Moel Siabod)

SNOWDONIA — MOEL SIABOD · RHYOLITE

Craig Ddu (Moel Siabod) weather & climbing conditions

Caution — drying out or marginal

Right now

Temp9°C
Wind15 km/h
Gusts22 km/h
Humidity99.7%
Rain 48hdry
Last rainNone recent

Assessment

No recent rain
Humidity 95% — potential fog
Good friction temperature range for rhyolite
High humidity (99.7%) — rhyolite friction compromised, particularly for bouldering

7-day forecast

Scroll through each day — hourly detail is shown inline.

Today Sunday 1 November
Caution
Temp9°C
Rain0.1mm
Wind14 km/h
Gusts22 km/h
Humidity95%
No recent rainHumidity 95% — potential fog
  • Good temperature for mountain rhyolite
  • Damp mountain air — upper pitches may stay greasy
Time °C Rain Wind (km/h) Gust Hum
09:00 9° dry 15 — 99.7%
10:00 9° dry 14 — 99.7%
11:00 9° dry 14 — 99.8%
12:00 9° dry 15 — 99%
13:00 9° dry 15 — 92.7%
14:00 9° dry 14 — 89.2%
15:00 8° dry 13 — 89.3%
16:00 7° dry 12 — 92%
17:00 7° dry 10 — 98.8%
18:00 7° 0.1mm 9 — 98.3%
19:00 8° dry 11 — 99.8%
20:00 8° dry 13 — 99.7%
21:00 8° dry 14 — 99.8%
Mon Monday 2 November
Good
Temp7°C
Raindry
Wind16 km/h
Gusts—
Humidity87%
No recent rain
  • Damp mountain air — upper pitches may stay greasy
Time °C Rain Wind (km/h) Gust Hum
06:00 3° dry 14 — 100%
07:00 3° dry 12 — 99.6%
08:00 4° dry 13 — 99.8%
09:00 5° dry 13 — 99.7%
10:00 6° dry 13 — 98.8%
11:00 6° dry 17 — 88.8%
12:00 7° dry 18 — 86.1%
13:00 7° dry 18 — 82.4%
14:00 8° dry 16 — 80.6%
15:00 7° dry 16 — 82.8%
16:00 7° dry 16 — 88%
17:00 6° dry 13 — 96%
18:00 5° dry 13 — 98.4%
19:00 6° dry 16 — 98%
20:00 6° dry 16 — 97.8%
21:00 5° dry 15 — 97.4%
Tue Tuesday 3 November
Poor
Temp7°C
Rain0.6mm
Wind20 km/h
Gusts—
Humidity92%
0.6mm rain forecastHumidity 92% — potential fog
  • Wet rhyolite is slippery; seepage from grass above can linger
Time °C Rain Wind (km/h) Gust Hum
06:00 6° dry 14 — 99.7%
07:00 6° dry 14 — 99.7%
08:00 6° 0.1mm 16 — 99.3%
09:00 6° 0.1mm 21 — 98.2%
10:00 7° 0.1mm 23 — 94.1%
11:00 7° dry 22 — 90.5%
12:00 7° 0.1mm 22 — 90.4%
13:00 7° 0.2mm 20 — 90.1%
14:00 7° dry 20 — 92.3%
15:00 7° dry 19 — 91.6%
16:00 7° dry 17 — 92.4%
17:00 6° dry 16 — 95.2%
18:00 5° dry 16 — 92.4%
19:00 5° dry 16 — 91.9%
20:00 4° dry 16 — 92.7%
21:00 4° dry 15 — 93.4%
Wed Wednesday 4 November
Good
Temp8°C
Rain0.1mm
Wind23 km/h
Gusts—
Humidity79%
No recent rain
  • Good temperature for mountain rhyolite
  • Breezy — helps drying
Time °C Rain Wind (km/h) Gust Hum
06:00 5° dry 17 — 97.4%
12:00 8° dry 23 — 79.2%
18:00 6° dry 14 — 90.4%
Thu Thursday 5 November
Good
Temp7°C
Rain0.1mm
Wind17 km/h
Gusts—
Humidity78%
No recent rain
Time °C Rain Wind (km/h) Gust Hum
06:00 5° dry 12 — 90.4%
12:00 7° dry 17 — 77.5%
18:00 6° dry 12 — 84.3%
Fri Friday 6 November
Good
Temp8°C
Rain0.1mm
Wind13 km/h
Gusts—
Humidity80%
No recent rain
  • Good temperature for mountain rhyolite
Time °C Rain Wind (km/h) Gust Hum
06:00 4° dry 7 — 99.5%
12:00 8° dry 13 — 79.7%
18:00 5° dry 7 — 99.8%
Sat Saturday 7 November
Good
Temp7°C
Rain0.2mm
Wind12 km/h
Gusts—
Humidity88%
No recent rain
  • Damp mountain air — upper pitches may stay greasy
Time °C Rain Wind (km/h) Gust Hum
06:00 4° 0.1mm 8 — 99.9%
12:00 7° dry 12 — 87.8%
18:00 5° dry 8 — 98.6%
Sun Sunday 8 November
Good
Temp7°C
Raindry
Wind3 km/h
Gusts—
Humidity80%
No recent rain
Time °C Rain Wind (km/h) Gust Hum
06:00 3° dry 2 — 99.8%
12:00 7° dry 3 — 80.3%
18:00 3° dry 0 — 93.2%

About Craig Ddu (Moel Siabod)

A three-section mountain crag on Moel Siabod comprising the left/south slab crag, the massive central upper wall with the great leaning (unclimbed) prow, and the shorter overhanging Fence Post Wall below. Seasonal seabird nesting restrictions can apply to some sections during spring/summer — check BMC RAD before visiting.

Region
Snowdonia — Moel Siabod
Rock type
Rhyolite
Aspect
south-facing
Altitude
600m
Exposure
medium
Seepage
medium