January in Seljalandsfoss: expect compromises
Hardest · 1.2/10At 0°C (32°F) this is proper winter weather in January: layer up and split the day between outdoor highlights and indoor stops.
249 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 5.1 hours of daylight.
That is 1.2/10 on the same scale — 12th of 12 months, versus 7.3/10 for the best month here.
Budget for low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, July is materially better in Seljalandsfoss — 6.1 points higher on the same scale.
February in Seljalandsfoss: expect compromises
Hardest · 1.9/10At 0°C (33°F) this is proper winter weather in February: layer up and split the day between outdoor highlights and indoor stops.
222 mm of water-equivalent precipitation makes this a snowy month at resort level; what falls stays as snow, with almost no days with 6+ hours of sunshine and 8.1 hours of daylight.
That is 1.9/10 on the same scale — 10th of 12 months, versus 7.3/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, July is materially better in Seljalandsfoss — 5.4 points higher on the same scale.
March in Seljalandsfoss: expect compromises
Hardest · 2.7/10March averages 1°C (33°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 201 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 11.2 hours of daylight.
It scores 2.7/10 here, 8th of 12 months, against 7.3/10 in the destination's best month.
Plan for low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? July scores 4.6 points higher here — enough to change the trip.
April in Seljalandsfoss: mixed conditions, plan around the weather
Trade-offs · 5/10At 4°C (38°F) this is proper winter weather in April: layer up and split the day between outdoor highlights and indoor stops.
135 mm of rain signals a properly wet month, with only about 10 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 5/10 on the same scale — 5th of 12 months, versus 7.3/10 for the best month here.
Expect mid-season pricing, and crowds are moderate.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, July is materially better in Seljalandsfoss — 2.3 points higher on the same scale.
May in Seljalandsfoss — middling scores, decent value
Trade-offs · 6/10May averages 6°C (43°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 158 mm this is a genuinely wet month: about 17 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 6/10 here, 3rd of 12 months, against 7.3/10 in the destination's best month.
Figure on mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
June holds up well in Seljalandsfoss — 2nd best month
Good · 7.2/10Expect 8°C (47°F) in June. A good month for city streets, viewpoints and long meals; leave swimming for another season.
118 mm of rain makes this a wet month here, though with about 20 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.2/10 on the same scale — 2nd of 12 months, versus 7.3/10 for the best month here.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
July in Seljalandsfoss tops the year's climate scores
Best window · 7.3/10Expect 10°C (50°F) in July. A good month for city streets, viewpoints and long meals; leave swimming for another season.
113 mm of rain signals a properly wet month, with only about 18 days with 6+ hours of sunshine to count on — build indoor options into the schedule.
On our climate-comfort scale this is the top-ranked month of the year for Seljalandsfoss at 7.3/10 — the reference point every other month on this page is measured against.
Expect peak pricing, and this is one of the busiest months here. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
August in Seljalandsfoss — middling scores, decent value
Trade-offs · 5.9/10August averages 10°C (50°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 156 mm this is a genuinely wet month: about 10 days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 5.9/10 here, 4th of 12 months, against 7.3/10 in the destination's best month.
Plan for peak pricing, with this is one of the busiest months here.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
September in Seljalandsfoss — off-season conditions
Hardest · 4.3/10September averages 8°C (46°F) — jacket weather. Comfortable for walking and museums, too cool for anything water-based.
At 171 mm this is a genuinely wet month: almost no days with 6+ hours of sunshine in total, and outdoor plans need an indoor fallback.
It scores 4.3/10 here, 6th of 12 months, against 7.3/10 in the destination's best month.
Plan for mid-season pricing, with crowds are moderate.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? July scores 3 points higher here — enough to change the trip.
October in Seljalandsfoss: expect compromises
Hardest · 3.2/10Expect 5°C (40°F) in October. A good month for city streets, viewpoints and long meals; leave swimming for another season.
154 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 3.2/10 on the same scale — 7th of 12 months, versus 7.3/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack a mid-weight jacket, long sleeves and shoes you can walk 15 km in, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, July is materially better in Seljalandsfoss — 4.1 points higher on the same scale.
November in Seljalandsfoss — the hardest end of the year
Hardest · 2.2/10At 3°C (38°F) this is proper winter weather in November: layer up and split the day between outdoor highlights and indoor stops.
169 mm of rain signals a properly wet month, with only almost no days with 6+ hours of sunshine to count on — build indoor options into the schedule.
That is 2.2/10 on the same scale — 9th of 12 months, versus 7.3/10 for the best month here.
Expect low-season pricing, and crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
If your dates are flexible, July is materially better in Seljalandsfoss — 5.1 points higher on the same scale.
December in Seljalandsfoss — off-season conditions
Hardest · 1.3/10December averages -1°C (31°F), cold enough that sightseeing works in bursts rather than in one long day on foot.
At 180 mm of water-equivalent precipitation this is a snowy month at resort level — that is snowpack, not lost days — with almost no days with 6+ hours of sunshine and 4 hours of daylight.
It scores 1.3/10 here, 11th of 12 months, against 7.3/10 in the destination's best month.
Figure on low-season pricing, with crowds are light for this destination.
Pack insulated layers, a windproof shell, gloves and boots with grip, a proper rain shell rather than an umbrella, footwear you can get muddy.
Flexible dates? July scores 6 points higher here — enough to change the trip.
