Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
April in Hartford brings moderate temperatures, with daytime highs of 16°C (61°F) and nights around 4°C (39°F). Quite a bit of rainfall is expected, around 104 mm (4.1 in), so pack an umbrella.
If your ideal day consists of dry skies and pleasant temperatures, May and September typically offer the best circumstances for Hartford.
Pick a month to see the average temperature, rainfall and sunshine in Hartford - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Hartford typically rise from around 12°C (54°F) at the start of April to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 7°C (45°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Hartford spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Hartford spans 1976 to 2026, revealing these weather extremes.
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in April →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
The weather can swing between comfortable and chilly in April, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Hartford climate overview or explore weather in the United States of America.
Where to go in April - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
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