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Thinking of visiting Saints Constantine and Helena in April? Expect moderate temperatures reaching 14°C (57°F) during the day, dropping to 8°C (46°F) at night, with some rainfall likely.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Saints Constantine and Helena.
Pick a month to see the average temperature, rainfall and sunshine in Saints Constantine and Helena - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Saints Constantine and Helena typically rise from around 15°C (59°F) at the start of April to approximately 18°C (64°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 8°C (46°F).
49-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 Saints Constantine and Helena spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Our historical data for Saints Constantine and Helena spans 1997 to 2026, revealing these weather extremes.
Find out more about the weather in Bulgaria and which places have the best travel conditions in this month. See all of Bulgaria 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. With water temperatures around 10°C (50°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Bring sunglasses since you'll have some sunny periods throughout the month
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Saints Constantine and Helena climate overview or explore weather in Bulgaria.
Where to go in April - average daytime high across popular destinations.
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