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When to go · Foster

Foster, month by month

Good months for Foster: Mar, Apr, May, Jun, Sep, Oct.

Month by month

  1. JanuaryMixedOutside the best window (check). Across United States: Cold and snowy north and in the mountains; Florida, Hawaii and the desert Southwest are the picks.4 °C (39 °F) / -3 °C (27 °F), 9 rain daysCrowds: Low
  2. FebruaryMixedOutside the best window (check). Across United States: Still winter north; ski season in the Rockies; Presidents' Day weekend busy. Mardi Gras in New Orleans (date varies).5 °C (41 °F) / -2 °C (28 °F), 8 rain daysCrowds: Low · 1 festival or holiday
  3. MarchGoodOutside the best window (check). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.9 °C (48 °F) / 1 °C (34 °F), 9 rain daysCrowds: Medium · 2 festivals or holidays
  4. AprilGoodOutside the best window (check). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.15 °C (59 °F) / 6 °C (43 °F), 8 rain daysCrowds: Medium · 1 festival or holiday
  5. MayGoodOutside the best window (check). Across United States: Warm and green; Memorial Day (last Monday) opens the summer season; timed-entry systems start at some parks.20 °C (68 °F) / 11 °C (52 °F), 7 rain daysCrowds: Medium · 1 festival or holiday
  6. JuneGoodOutside the best window (check). Across United States: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.25 °C (77 °F) / 16 °C (61 °F), 6 rain daysCrowds: High
  7. JulyMixedOutside the best window (check). Across United States: Peak season: parks full, 4 July crowds, 40 °C (104 °F)+ in the desert, humid East. Alaska and the Pacific Northwest are at their best.28 °C (82 °F) / 19 °C (66 °F), 5 rain daysCrowds: High · 1 festival or holiday
  8. AugustMixedOutside the best window (check). Across United States: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.27 °C (81 °F) / 19 °C (66 °F), 6 rain daysCrowds: High
  9. SeptemberGoodOutside the best window (check). Across United States: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.23 °C (73 °F) / 15 °C (59 °F), 7 rain daysCrowds: Medium · 1 festival or holiday
  10. OctoberGoodOutside the best window (check). Across United States: Best all-round month: New England foliage, desert parks, cooler cities. High roads start closing late in the month.17 °C (63 °F) / 9 °C (48 °F), 9 rain daysCrowds: Medium
  11. NovemberMixedOutside the best window (check). Across United States: Quiet between holidays; Thanksgiving week is the busiest travel period of the year.11 °C (52 °F) / 4 °C (39 °F), 10 rain daysCrowds: Medium · 1 festival or holiday
  12. DecemberMixedOutside the best window (check). Across United States: Holiday lights in New York, ski season opens; flights and hotels peak around Christmas and New Year.6 °C (43 °F) / -1 °C (30 °F), 9 rain daysCrowds: High · 1 festival or holiday

Compare two months

Weather, crowds and prices for any two months in Foster, side by side.

  • Verdict

    Mar: Good

    Apr: Good

  • Daytime high

    Mar: 9 °C (48 °F)

    Apr: 15 °C (59 °F)

  • Night low

    Mar: 1 °C (34 °F)

    Apr: 6 °C (43 °F)

  • Rain days

    Mar: 9

    Apr: 8 (better)

  • Crowds

    Mar: Medium

    Apr: Medium

  • Prices

    Mar: Medium

    Apr: Medium

  • Festivals listed

    Mar: 2

    Apr: 1

March: Outside the best window (check). Across United States: Spring break fills Florida beaches and parks; the desert parks come into season.

April: Outside the best window (check). Across United States: Good month for the Southwest, Washington cherry blossoms, the South; mountain roads still closed.

Foster: figures are long-term averages from this guide, not a forecast.