Best Time-of-Year
The best month at Bas-Valais is March, when temperatures average 3–12 °C (37–53 °F) and mid-day humidity sits around 58%. Expect rainy, cool days, with around 14 excellent days in a typical March. March and April are the most reliable months.
- Terrible
- Poor
- Fair
- Good
- Excellent
- Perfect
Tap a month for its details below.
Month by Month
January
A typical January brings rainy, cold days, with around 2 excellent days. Cold takes out most of the rest.
February
A typical February brings cool days, with around 6 excellent days. Cold takes out most of the rest.
March
March is the year's best month for climbing — expect rainy, cool days, with around 14 excellent days.
April
April is among the year's most reliable months — expect rainy, mild days, with around 13 excellent days.
May
A typical May brings rainy, mild days, with around 9 excellent days. Heat takes out most of the rest.
June
A typical June brings rainy, warm days, with around 6 excellent days. Heat takes out most of the rest.
July
A typical July brings rainy, warm days, with around 4 excellent days.
August
A typical August brings rainy, warm days, with around 5 excellent days.
September
A typical September brings rainy, mild days, with around 6 excellent days. Heat takes out most of the rest.
October
A typical October brings mild days, with around 12 excellent days.
November
A typical November brings rainy, cool days, with around 6 excellent days. Humid air takes out most of the rest.
December
A typical December brings rainy, cool days, with around 9 climbable days. Cold takes out most of the rest.
A Typical Year
| Month | Excellent Days | Viable Days | Off Days | Temperature | Wet Days | Mid-Day Humidity |
|---|---|---|---|---|---|---|
| January | 2 | 7 | 22 | −1 to 6 °C 30–42 °F | 12 | 70% |
| February | 6 | 6 | 16 | 1–9 °C 34–47 °F | 10 | 65% |
| March | 14 | 6 | 11 | 3–12 °C 37–53 °F | 12 | 58% |
| April | 13 | 5 | 12 | 5–15 °C 41–59 °F | 13 | 59% |
| May | 9 | 10 | 12 | 10–19 °C 49–67 °F | 19 | 59% |
| June | 6 | 14 | 10 | 14–25 °C 58–77 °F | 17 | 55% |
| July | 4 | 19 | 8 | 15–26 °C 59–79 °F | 13 | 53% |
| August | 5 | 19 | 7 | 15–26 °C 59–78 °F | 12 | 55% |
| September | 6 | 11 | 13 | 11–21 °C 53–69 °F | 15 | 62% |
| October | 12 | 6 | 13 | 9–17 °C 47–63 °F | 11 | 63% |
| November | 6 | 4 | 20 | 3–10 °C 37–50 °F | 15 | 70% |
| December | 1 | 9 | 21 | 1–7 °C 33–44 °F | 12 | 73% |