When to go · Janesville
Janesville, month by month
The best months for Janesville: May, Jun, Jul, Aug, Sep, Oct. Months to avoid: Jan, Feb.
Month by month
- JanuaryAvoidListed as a month to avoid: Jan–Feb (cold, limited outdoor activities).2 °C (36 °F) / -9 °C (16 °F), 8 rain days36 °F (2 °C) / 16 °F (-9 °C), 8 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jan–Feb (cold, limited outdoor activities).5 °C (41 °F) / -7 °C (19 °F), 7 rain days41 °F (5 °C) / 19 °F (-7 °C), 7 rain daysCrowds: Low · 1 festival or holiday
- MarchGoodOutside the best window (May–Oct). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.12 °C (54 °F) / -1 °C (30 °F), 9 rain days54 °F (12 °C) / 30 °F (-1 °C), 9 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGoodOutside the best window (May–Oct). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.19 °C (66 °F) / 5 °C (41 °F), 9 rain days66 °F (19 °C) / 41 °F (5 °C), 9 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Janesville's best window: May–Oct.25 °C (77 °F) / 11 °C (52 °F), 9 rain days77 °F (25 °C) / 52 °F (11 °C), 9 rain daysCrowds: Medium · 1 festival or holiday
- JuneGreatInside Janesville's best window: May–Oct.30 °C (86 °F) / 16 °C (61 °F), 9 rain days86 °F (30 °C) / 61 °F (16 °C), 9 rain daysCrowds: High
- JulyGreatInside Janesville's best window: May–Oct.33 °C (91 °F) / 19 °C (66 °F), 8 rain days91 °F (33 °C) / 66 °F (19 °C), 8 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Janesville's best window: May–Oct.32 °C (90 °F) / 18 °C (64 °F), 8 rain days90 °F (32 °C) / 64 °F (18 °C), 8 rain daysCrowds: High
- SeptemberGreatInside Janesville's best window: May–Oct.27 °C (81 °F) / 13 °C (55 °F), 8 rain days81 °F (27 °C) / 55 °F (13 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Janesville's best window: May–Oct.19 °C (66 °F) / 6 °C (43 °F), 9 rain days66 °F (19 °C) / 43 °F (6 °C), 9 rain daysCrowds: Medium
- NovemberMixedOutside the best window (May–Oct). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.11 °C (52 °F) / 0 °C (32 °F), 9 rain days52 °F (11 °C) / 32 °F (0 °C), 9 rain daysCrowds: Medium · 1 festival or holiday
- DecemberMixedOutside the best window (May–Oct). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.4 °C (39 °F) / -5 °C (23 °F), 9 rain days39 °F (4 °C) / 23 °F (-5 °C), 9 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Janesville, side by side.
Verdict
May: Great
Jun: Great
Daytime high
May: 25 °C (77 °F)77 °F (25 °C)
Jun: 30 °C (86 °F)86 °F (30 °C)
Night low
May: 11 °C (52 °F)52 °F (11 °C)
Jun: 16 °C (61 °F)61 °F (16 °C)
Rain days
May: 9
Jun: 9
Crowds
May: Medium
Jun: High
Prices
May: Medium
Jun: High
Festivals listed
May: 1
Jun: 0
May: Inside Janesville's best window: May–Oct.
June: Inside Janesville's best window: May–Oct.
Janesville: figures are long-term averages from this guide, not a forecast.