Conditions on this page are recalculated from the latest forecast every time it is opened, for the current date in the location's own time zone.
The summer solstice 2026 falls on Sunday 21 June at 08:25 UTC. This is the longest day of the year in the Northern Hemisphere — when the Sun reaches its highest point in the sky and daylight stretches to its annual maximum. The longest day of 2026 is Sunday 21 June 2026. In London this means 16h 38m of daylight; in Edinburgh 17h 36m; in Stockholm 18h 37m; in Reykjavik 21h 08m. Anywhere above 66.5° latitude (Arctic Circle), the Sun does not set at all — this is the midnight sun. Astronomically, summer in the Northern Hemisphere begins on the summer solstice — Sunday 21 June 2026. Meteorologically, summer begins on 1 June (meteorologists use calendar quarters for record-keeping). Many calendars and traditions mark 21 June as the official "first day of summer". Daylight on 21 June ranges from 16h 38m in London, 17h 36m in Edinburgh, 18h 50m in Stockholm, to 24 hours of daylight (midnight sun) anywhere north of the Arctic Circle. Latitude is everything: every degree north adds noticeable daylight. On 21 June 2026 in London: sunrise 04:43 BST, sunset 21:21 BST. In New York: sunrise 05:24 EDT, sunset 20:31 EDT. In Sydney (Southern Hemisphere winter solstice on the same date): sunrise 07:00, sunset 16:54. Use a city sunset tool for your exact location. No — it is the longest day, but the warmest period typically lags by 4–8 weeks. This is called "seasonal lag": oceans and land continue to absorb heat well into July and August. Late July and early August are usually the warmest weeks in the Northern Hemisphere. Iconic spots include Stonehenge (England, ~10,000 attendees for sunrise), the Arctic Circle for the midnight sun (Tromsø, Reykjavik, Murmansk), and any high-latitude beach where you get a long twilight rather than full darkness. Photographers favour clifftop coastal locations facing northeast for the long sunrise window. Golden hour is unusually long around the solstice because the Sun rises and sets at a shallower angle to the horizon. In London on 21 June, evening golden hour lasts about 60 minutes (vs 35 minutes in March). North of 60°N, golden hour can last 2+ hours, blending into a continuous "magic hour" across the entire evening. Due to Earth's axial tilt and elliptical orbit (the equation of time), the latest sunset and earliest sunrise don't exactly align with the solstice. In mid-northern latitudes, the latest sunset is usually 3–4 days after the solstice (around 24–25 June), while the earliest sunrise is 3–4 days before (around 17–18 June). Climatologically, late June in the Northern Hemisphere is settled but variable. Mid-latitudes (UK, Northern Europe, Northern US) average 18–24°C with showery interruptions. Mediterranean and southern US sit at 28–34°C with mostly clear skies. Always check the live forecast — solstice weather is no more predictable than any other June day. Summer solstice (21 June in the Northern Hemisphere) is the longest day of the year, with the Sun at its highest noon angle. Winter solstice (21 December in the Northern Hemisphere) is the shortest day, with the Sun at its lowest noon angle. They are exactly six months apart, marking the extremes of Earth's axial tilt. The Southern Hemisphere experiences these in reverse. Stonehenge sunrise gathering (~10,000 people), Swedish Midsummer (maypole dancing, herring, schnapps — celebrated nearest weekend), Litha (modern Pagan festival), Wianki in Poland (river-flower garlands), Ivan Kupala in Eastern Europe (bonfires, water rituals), and Inti Raymi in Peru (Inca sun festival on 24 June, the Southern Hemisphere winter solstice). Litha is the modern Pagan and Wiccan name for the summer solstice celebration, marking the Sun at its peak power. Celebrated 20–22 June with bonfires, dawn vigils, herb-gathering, and sun symbology. Many Pagans see Litha as a time to honour the Sun deity and reflect on light, growth, and the turning of the year toward shorter days. Astronomically, it marks the maximum tilt of Earth's axis toward the Sun — the year's longest daylight and shortest night. Culturally, almost every Northern Hemisphere civilisation has marked it: Stonehenge's alignment is 5,000 years old. Practically, it signals the seasonal turn — from this point, days shorten until the December solstice. It's a natural "halfway through the light" marker.
Scores are capped by dealbreakers — heavy rain, dangerous wind, thick fog or hazardous UV pull a day down no matter how pleasant the rest of the numbers look. Forecast data is Open-Meteo; solar and lunar values are computed for Summer Solstice Weather's own coordinates and time zone. Full details on the methodology page.