Rockford weather by month & the best time to visit
United States · regional city · hot-summer continental climate
The best time to visit Rockford is September — its sunniest month (Sunshine Score 76/100), with July and August close behind. Rockford averages about 2,258 hours of sunshine a year. Daytime highs around 24°C / 75°F and roughly 89 mm of rain in September.
When is the best time to visit Rockford?
For sunshine, the best time to visit Rockford is September, then July and August. The dullest month is January (0/100, 41 mm of rain). The full month-by-month picture is in the table below.
How sunny is Rockford?
Rockford gets a moderate 2,258 hours of sunshine a year. 76 Sunshine Score points separate September (76) from January (0), so the month you pick matters. It ranks #299 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 966 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -2° / 28°F | -11° / 12°F | 41 mm | 1 |
| February | 0 | 0° / 32°F | -9° / 16°F | 46 mm | 2 |
| March | 0 | 8° / 46°F | -3° / 27°F | 62 mm | 3 |
| April | 44 | 15° / 59°F | 3° / 37°F | 92 mm | 5 |
| May | 71 | 21° / 70°F | 10° / 50°F | 115 mm | 6 |
| June | 69 | 27° / 81°F | 16° / 61°F | 123 mm | 7 |
| July | 73 | 29° / 84°F | 18° / 64°F | 103 mm | 8 |
| August | 73 | 28° / 82°F | 17° / 63°F | 104 mm | 7 |
| September | 76 | 24° / 75°F | 12° / 54°F | 89 mm | 5 |
| October | 52 | 16° / 61°F | 5° / 41°F | 80 mm | 3 |
| November | 0 | 8° / 46°F | -1° / 30°F | 56 mm | 2 |
| December | 0 | 1° / 34°F | -7° / 19°F | 55 mm | 1 |
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Rockford: questions and answers
What kind of destination is Rockford?
Rockford is a regional city in United States with a hot-summer continental climate.
How many hours of sunshine does Rockford get a year?
Rockford gets about 2,258 hours of sunshine a year, at its best around September.
When is the best time to visit Rockford?
The sunniest time to visit Rockford is September, when the Sunshine Score peaks at 76/100 (with July and August close behind). Expect daytime highs around 24°C / 75°F.
What is the least sunny month in Rockford?
January is the least sunny month in Rockford, scoring 0/100 with about 41 mm of rain.
How strong is the sun in Rockford?
The typical midday UV index in Rockford peaks around 8 (very high) in July, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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