Best Time-of-Year
The best month at Castle Hill is April, when temperatures average 5–12 °C (41–54 °F) and mid-day humidity sits around 62%. Expect rainy, cool days, with around 9 excellent days in a typical April. March, April, and November are the most reliable months.
- Terrible
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- Fair
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- Perfect
Tap a month for its details below.
Month by Month
January
A typical January brings rainy, mild days, with around 4 excellent days.
February
A typical February brings mild days, with around 6 excellent days.
March
March is among the year's most reliable months — expect cool days, with around 7 excellent days.
April
April is the year's best month for climbing — expect rainy, cool days, with around 9 excellent days.
May
A typical May brings cool days, with around 7 excellent days.
June
A typical June brings rainy, cool days, with around 4 excellent days. Cold takes out most of the rest.
July
A typical July brings cold days, with around 3 excellent days. Cold takes out most of the rest.
August
A typical August brings rainy, cool days, with around 2 excellent days. Cold takes out most of the rest.
September
A typical September brings rainy, cool days, with around 3 excellent days. Cold takes out most of the rest.
October
A typical October brings rainy, cool days, with around 6 excellent days.
November
November is among the year's most reliable months — expect rainy, cool days, with around 7 excellent days.
December
A typical December brings rainy, mild days, with around 5 excellent days. Rain takes out most of the rest.
A Typical Year
| Month | Excellent Days | Viable Days | Off Days | Temperature | Wet Days | Mid-Day Humidity |
|---|---|---|---|---|---|---|
| January | 4 | 17 | 10 | 8–17 °C 47–63 °F | 13 | 57% |
| February | 6 | 13 | 9 | 8–17 °C 47–62 °F | 11 | 57% |
| March | 7 | 15 | 9 | 6–15 °C 44–59 °F | 10 | 59% |
| April | 9 | 7 | 14 | 5–12 °C 41–54 °F | 12 | 62% |
| May | 7 | 10 | 14 | 4–10 °C 38–50 °F | 11 | 63% |
| June | 4 | 5 | 21 | 2–7 °C 35–45 °F | 14 | 69% |
| July | 3 | 8 | 20 | 0–6 °C 32–43 °F | 11 | 69% |
| August | 2 | 6 | 23 | 0–6 °C 31–44 °F | 13 | 66% |
| September | 3 | 8 | 19 | 1–8 °C 34–47 °F | 14 | 63% |
| October | 6 | 9 | 16 | 3–11 °C 38–51 °F | 14 | 63% |
| November | 7 | 12 | 11 | 5–14 °C 42–57 °F | 14 | 61% |
| December | 5 | 11 | 15 | 7–16 °C 45–60 °F | 18 | 62% |