When to go · Rialto
Rialto, month by month
The best months for Rialto: Mar, Apr, May, Oct, Nov. Months to avoid: Jan, Feb, Jul, Aug, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Jul–Aug (hot), Dec–Feb (cooler but still mild).19 °C (66 °F) / 7 °C (45 °F), 6 rain days66 °F (19 °C) / 45 °F (7 °C), 6 rain daysCrowds: Low
- FebruaryAvoidListed as a month to avoid: Jul–Aug (hot), Dec–Feb (cooler but still mild).20 °C (68 °F) / 8 °C (46 °F), 6 rain days68 °F (20 °C) / 46 °F (8 °C), 6 rain daysCrowds: Low · 1 festival or holiday
- MarchGreatInside Rialto's best window: Mar–May, Oct–Nov.22 °C (72 °F) / 9 °C (48 °F), 5 rain days72 °F (22 °C) / 48 °F (9 °C), 5 rain daysCrowds: Medium · 2 festivals or holidays
- AprilGreatInside Rialto's best window: Mar–May, Oct–Nov.25 °C (77 °F) / 11 °C (52 °F), 3 rain days77 °F (25 °C) / 52 °F (11 °C), 3 rain daysCrowds: Medium · 1 festival or holiday
- MayGreatInside Rialto's best window: Mar–May, Oct–Nov.28 °C (82 °F) / 14 °C (57 °F), 1 rain days82 °F (28 °C) / 57 °F (14 °C), 1 rain daysCrowds: Medium · 1 festival or holiday
- JuneGoodOutside the best window (Mar–May, Oct–Nov). Across United States: Rockies and northern parks open; desert heat builds; hurricane season starts. Book parks months ahead.32 °C (90 °F) / 17 °C (63 °F), 0 rain days90 °F (32 °C) / 63 °F (17 °C), 0 rain daysCrowds: High
- JulyAvoidListed as a month to avoid: Jul–Aug (hot), Dec–Feb (cooler but still mild).35 °C (95 °F) / 20 °C (68 °F), 0 rain days95 °F (35 °C) / 68 °F (20 °C), 0 rain daysCrowds: High · 1 festival or holiday
- AugustAvoidListed as a month to avoid: Jul–Aug (hot), Dec–Feb (cooler but still mild).35 °C (95 °F) / 20 °C (68 °F), 1 rain days95 °F (35 °C) / 68 °F (20 °C), 1 rain daysCrowds: High
- SeptemberGoodOutside the best window (Mar–May, Oct–Nov). Across United States: After Labor Day the crowds drop and parks stay open; Florida and the Gulf are at hurricane peak.33 °C (91 °F) / 18 °C (64 °F), 1 rain days91 °F (33 °C) / 64 °F (18 °C), 1 rain daysCrowds: Medium · 1 festival or holiday
- OctoberGreatInside Rialto's best window: Mar–May, Oct–Nov.28 °C (82 °F) / 14 °C (57 °F), 2 rain days82 °F (28 °C) / 57 °F (14 °C), 2 rain daysCrowds: Medium
- NovemberGreatInside Rialto's best window: Mar–May, Oct–Nov.23 °C (73 °F) / 9 °C (48 °F), 3 rain days73 °F (23 °C) / 48 °F (9 °C), 3 rain daysCrowds: Medium · 1 festival or holiday
- DecemberAvoidListed as a month to avoid: Jul–Aug (hot), Dec–Feb (cooler but still mild).19 °C (66 °F) / 6 °C (43 °F), 5 rain days66 °F (19 °C) / 43 °F (6 °C), 5 rain daysCrowds: High · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Rialto, side by side.
Verdict
Mar: Great
Apr: Great
Daytime high
Mar: 22 °C (72 °F)72 °F (22 °C)
Apr: 25 °C (77 °F)77 °F (25 °C)
Night low
Mar: 9 °C (48 °F)48 °F (9 °C)
Apr: 11 °C (52 °F)52 °F (11 °C)
Rain days
Mar: 5
Apr: 3 (better)
Crowds
Mar: Medium
Apr: Medium
Prices
Mar: Medium
Apr: Medium
Festivals listed
Mar: 2
Apr: 1
March: Inside Rialto's best window: Mar–May, Oct–Nov.
April: Inside Rialto's best window: Mar–May, Oct–Nov.
Rialto: figures are long-term averages from this guide, not a forecast.